Finding the Fourth Proportional to 113,069.71, 156,064.49 and 65,353.02

Step by Step Solution

1. Step 1: Write the proportion equation
   113,069.71 : 156,064.49 = 65,353.02 : x
2. Step 2: Convert to fraction form
   113,069.71/156,064.49 = 65,353.02/x
3. Step 3: Cross multiply
   113,069.71x = 156,064.49 × 65,353.02
4. Step 4: Simplify right side
   113,069.71x = 10,199,285,736.26
5. Step 5: Solve for x
   x = 10,199,285,736.26/113,069.71
6. Step 6: Final answer
   x = 90,203.52