Finding the Fourth Proportional to 102,498.50, 141,387.04 and 79,801.54

Step by Step Solution

1. Step 1: Write the proportion equation
   102,498.50 : 141,387.04 = 79,801.54 : x
2. Step 2: Convert to fraction form
   102,498.50/141,387.04 = 79,801.54/x
3. Step 3: Cross multiply
   102,498.50x = 141,387.04 × 79,801.54
4. Step 4: Simplify right side
   102,498.50x = 11,282,903,682.01
5. Step 5: Solve for x
   x = 11,282,903,682.01/102,498.50
6. Step 6: Final answer
   x = 110,078.72