Finding the Fourth Proportional to 28,323,034,109.16, 42,463,606,739.40 and 17,128,419,530.10

Step by Step Solution

1. Step 1: Write the proportion equation
   28,323,034,109.16 : 42,463,606,739.40 = 17,128,419,530.10 : x
2. Step 2: Convert to fraction form
   28,323,034,109.16/42,463,606,739.40 = 17,128,419,530.10/x
3. Step 3: Cross multiply
   28,323,034,109.16x = 42,463,606,739.40 × 17,128,419,530.10
4. Step 4: Simplify right side
   28,323,034,109.16x = 727,334,470,993,624,956,928
5. Step 5: Solve for x
   x = 727,334,470,993,624,956,928/28,323,034,109.16
6. Step 6: Final answer
   x = 25,679,963,106.72