Finding the Fourth Proportional to 52,475.31, 72,416.03 and 28,601.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,475.31 : 72,416.03 = 28,601.98 : x
2. Step 2: Convert to fraction form
   52,475.31/72,416.03 = 28,601.98/x
3. Step 3: Cross multiply
   52,475.31x = 72,416.03 × 28,601.98
4. Step 4: Simplify right side
   52,475.31x = 2,071,241,517.69
5. Step 5: Solve for x
   x = 2,071,241,517.69/52,475.31
6. Step 6: Final answer
   x = 39,470.78