Finding the Fourth Proportional to 52,710.91, 72,741.31 and 28,837.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,710.91 : 72,741.31 = 28,837.98 : x
2. Step 2: Convert to fraction form
   52,710.91/72,741.31 = 28,837.98/x
3. Step 3: Cross multiply
   52,710.91x = 72,741.31 × 28,837.98
4. Step 4: Simplify right side
   52,710.91x = 2,097,712,370.86
5. Step 5: Solve for x
   x = 2,097,712,370.86/52,710.91
6. Step 6: Final answer
   x = 39,796.55