Finding the Fourth Proportional to 102,342.08, 141,222.48 and 75,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   102,342.08 : 141,222.48 = 75,499.50 : x
2. Step 2: Convert to fraction form
   102,342.08/141,222.48 = 75,499.50/x
3. Step 3: Cross multiply
   102,342.08x = 141,222.48 × 75,499.50
4. Step 4: Simplify right side
   102,342.08x = 10,662,226,628.76
5. Step 5: Solve for x
   x = 10,662,226,628.76/102,342.08
6. Step 6: Final answer
   x = 104,182.23