Finding the Fourth Proportional to 113,754.30, 156,979.86 and 62,767.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,754.30 : 156,979.86 = 62,767.50 : x
2. Step 2: Convert to fraction form
   113,754.30/156,979.86 = 62,767.50/x
3. Step 3: Cross multiply
   113,754.30x = 156,979.86 × 62,767.50
4. Step 4: Simplify right side
   113,754.30x = 9,853,233,362.55
5. Step 5: Solve for x
   x = 9,853,233,362.55/113,754.30
6. Step 6: Final answer
   x = 86,618.56