Finding the Fourth Proportional to 77,032.52, 115,469.50 and 37,540.77

Step by Step Solution

1. Step 1: Write the proportion equation
   77,032.52 : 115,469.50 = 37,540.77 : x
2. Step 2: Convert to fraction form
   77,032.52/115,469.50 = 37,540.77/x
3. Step 3: Cross multiply
   77,032.52x = 115,469.50 × 37,540.77
4. Step 4: Simplify right side
   77,032.52x = 4,334,813,941.52
5. Step 5: Solve for x
   x = 4,334,813,941.52/77,032.52
6. Step 6: Final answer
   x = 56,272.52