Finding the Fourth Proportional to 83,446.88, 124,712.18 and 61,004.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,446.88 : 124,712.18 = 61,004.80 : x
2. Step 2: Convert to fraction form
   83,446.88/124,712.18 = 61,004.80/x
3. Step 3: Cross multiply
   83,446.88x = 124,712.18 × 61,004.80
4. Step 4: Simplify right side
   83,446.88x = 7,608,041,148.17
5. Step 5: Solve for x
   x = 7,608,041,148.17/83,446.88
6. Step 6: Final answer
   x = 91,172.27