Finding the Fourth Proportional to 113,428.33, 156,540.14 and 65,682.52

Step by Step Solution

1. Step 1: Write the proportion equation
   113,428.33 : 156,540.14 = 65,682.52 : x
2. Step 2: Convert to fraction form
   113,428.33/156,540.14 = 65,682.52/x
3. Step 3: Cross multiply
   113,428.33x = 156,540.14 × 65,682.52
4. Step 4: Simplify right side
   113,428.33x = 10,281,950,876.35
5. Step 5: Solve for x
   x = 10,281,950,876.35/113,428.33
6. Step 6: Final answer
   x = 90,647.12