Finding the Fourth Proportional to 123,946.86, 185,887.08 and 53,809.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,946.86 : 185,887.08 = 53,809.50 : x
2. Step 2: Convert to fraction form
   123,946.86/185,887.08 = 53,809.50/x
3. Step 3: Cross multiply
   123,946.86x = 185,887.08 × 53,809.50
4. Step 4: Simplify right side
   123,946.86x = 10,002,490,831.26
5. Step 5: Solve for x
   x = 10,002,490,831.26/123,946.86
6. Step 6: Final answer
   x = 80,699.83