Finding the Fourth Proportional to 52,557.52, 78,858.15 and 31,538.02

Step by Step Solution

1. Step 1: Write the proportion equation
   52,557.52 : 78,858.15 = 31,538.02 : x
2. Step 2: Convert to fraction form
   52,557.52/78,858.15 = 31,538.02/x
3. Step 3: Cross multiply
   52,557.52x = 78,858.15 × 31,538.02
4. Step 4: Simplify right side
   52,557.52x = 2,487,029,911.86
5. Step 5: Solve for x
   x = 2,487,029,911.86/52,557.52
6. Step 6: Final answer
   x = 47,320.15