Finding the Fourth Proportional to 108,498.88, 149,733.60 and 60,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,498.88 : 149,733.60 = 60,742.72 : x
2. Step 2: Convert to fraction form
   108,498.88/149,733.60 = 60,742.72/x
3. Step 3: Cross multiply
   108,498.88x = 149,733.60 × 60,742.72
4. Step 4: Simplify right side
   108,498.88x = 9,095,226,139.39
5. Step 5: Solve for x
   x = 9,095,226,139.39/108,498.88
6. Step 6: Final answer
   x = 83,827.83