Finding the Fourth Proportional to 77,587.38, 107,111.50 and 52,227.08

Step by Step Solution

1. Step 1: Write the proportion equation
   77,587.38 : 107,111.50 = 52,227.08 : x
2. Step 2: Convert to fraction form
   77,587.38/107,111.50 = 52,227.08/x
3. Step 3: Cross multiply
   77,587.38x = 107,111.50 × 52,227.08
4. Step 4: Simplify right side
   77,587.38x = 5,594,120,879.42
5. Step 5: Solve for x
   x = 5,594,120,879.42/77,587.38
6. Step 6: Final answer
   x = 72,100.91