Finding the Fourth Proportional to 113,592.65, 156,758.49 and 65,874.33

Step by Step Solution

1. Step 1: Write the proportion equation
   113,592.65 : 156,758.49 = 65,874.33 : x
2. Step 2: Convert to fraction form
   113,592.65/156,758.49 = 65,874.33/x
3. Step 3: Cross multiply
   113,592.65x = 156,758.49 × 65,874.33
4. Step 4: Simplify right side
   113,592.65x = 10,326,360,500.56
5. Step 5: Solve for x
   x = 10,326,360,500.56/113,592.65
6. Step 6: Final answer
   x = 90,906.95