Finding the Fourth Proportional to 7,175,811.60, 9,905,019.24 and 4,276,111.92

Step by Step Solution

1. Step 1: Write the proportion equation
   7,175,811.60 : 9,905,019.24 = 4,276,111.92 : x
2. Step 2: Convert to fraction form
   7,175,811.60/9,905,019.24 = 4,276,111.92/x
3. Step 3: Cross multiply
   7,175,811.60x = 9,905,019.24 × 4,276,111.92
4. Step 4: Simplify right side
   7,175,811.60x = 42,354,970,839,993.34
5. Step 5: Solve for x
   x = 42,354,970,839,993.34/7,175,811.60
6. Step 6: Final answer
   x = 5,902,464.17