Finding the Fourth Proportional to 108,059.78, 149,201.52 and 69,841.96

Step by Step Solution

1. Step 1: Write the proportion equation
   108,059.78 : 149,201.52 = 69,841.96 : x
2. Step 2: Convert to fraction form
   108,059.78/149,201.52 = 69,841.96/x
3. Step 3: Cross multiply
   108,059.78x = 149,201.52 × 69,841.96
4. Step 4: Simplify right side
   108,059.78x = 10,420,526,591.78
5. Step 5: Solve for x
   x = 10,420,526,591.78/108,059.78
6. Step 6: Final answer
   x = 96,432.98