Finding the Fourth Proportional to 123,948.86, 185,890.08 and 53,811.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,948.86 : 185,890.08 = 53,811.50 : x
2. Step 2: Convert to fraction form
   123,948.86/185,890.08 = 53,811.50/x
3. Step 3: Cross multiply
   123,948.86x = 185,890.08 × 53,811.50
4. Step 4: Simplify right side
   123,948.86x = 10,003,024,039.92
5. Step 5: Solve for x
   x = 10,003,024,039.92/123,948.86
6. Step 6: Final answer
   x = 80,702.83