Finding the Fourth Proportional to 52,288.81, 72,156.61 and 28,414.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,288.81 : 72,156.61 = 28,414.96 : x
2. Step 2: Convert to fraction form
   52,288.81/72,156.61 = 28,414.96/x
3. Step 3: Cross multiply
   52,288.81x = 72,156.61 × 28,414.96
4. Step 4: Simplify right side
   52,288.81x = 2,050,327,186.89
5. Step 5: Solve for x
   x = 2,050,327,186.89/52,288.81
6. Step 6: Final answer
   x = 39,211.59