Finding the Fourth Proportional to 113,427, 156,529.35 and 65,682.90

Step by Step Solution

1. Step 1: Write the proportion equation
   113,427 : 156,529.35 = 65,682.90 : x
2. Step 2: Convert to fraction form
   113,427/156,529.35 = 65,682.90/x
3. Step 3: Cross multiply
   113,427x = 156,529.35 × 65,682.90
4. Step 4: Simplify right side
   113,427x = 10,281,301,643.12
5. Step 5: Solve for x
   x = 10,281,301,643.12/113,427
6. Step 6: Final answer
   x = 90,642.45