Finding the Fourth Proportional to 124,503.72, 186,755.17 and 74,598.81

Step by Step Solution

1. Step 1: Write the proportion equation
   124,503.72 : 186,755.17 = 74,598.81 : x
2. Step 2: Convert to fraction form
   124,503.72/186,755.17 = 74,598.81/x
3. Step 3: Cross multiply
   124,503.72x = 186,755.17 × 74,598.81
4. Step 4: Simplify right side
   124,503.72x = 13,931,712,696.39
5. Step 5: Solve for x
   x = 13,931,712,696.39/124,503.72
6. Step 6: Final answer
   x = 111,897.97