Finding the Fourth Proportional to 124,978.92, 186,499.65 and 113,803.08

Step by Step Solution

1. Step 1: Write the proportion equation
   124,978.92 : 186,499.65 = 113,803.08 : x
2. Step 2: Convert to fraction form
   124,978.92/186,499.65 = 113,803.08/x
3. Step 3: Cross multiply
   124,978.92x = 186,499.65 × 113,803.08
4. Step 4: Simplify right side
   124,978.92x = 21,224,234,588.92
5. Step 5: Solve for x
   x = 21,224,234,588.92/124,978.92
6. Step 6: Final answer
   x = 169,822.52