Finding the Fourth Proportional to 113,461.71, 156,598.16 and 65,715.05

Step by Step Solution

1. Step 1: Write the proportion equation
   113,461.71 : 156,598.16 = 65,715.05 : x
2. Step 2: Convert to fraction form
   113,461.71/156,598.16 = 65,715.05/x
3. Step 3: Cross multiply
   113,461.71x = 156,598.16 × 65,715.05
4. Step 4: Simplify right side
   113,461.71x = 10,290,855,466.01
5. Step 5: Solve for x
   x = 10,290,855,466.01/113,461.71
6. Step 6: Final answer
   x = 90,698.93