Finding the Fourth Proportional to 42,966,003.18, 64,448,373.69 and 10,617,905.01

Step by Step Solution

1. Step 1: Write the proportion equation
   42,966,003.18 : 64,448,373.69 = 10,617,905.01 : x
2. Step 2: Convert to fraction form
   42,966,003.18/64,448,373.69 = 10,617,905.01/x
3. Step 3: Cross multiply
   42,966,003.18x = 64,448,373.69 × 10,617,905.01
4. Step 4: Simplify right side
   42,966,003.18x = 684,306,709,889,403.12
5. Step 5: Solve for x
   x = 684,306,709,889,403.12/42,966,003.18
6. Step 6: Final answer
   x = 15,926,701.56