Finding the Fourth Proportional to 52,529.37, 72,490.52 and 28,656.13

Step by Step Solution

1. Step 1: Write the proportion equation
   52,529.37 : 72,490.52 = 28,656.13 : x
2. Step 2: Convert to fraction form
   52,529.37/72,490.52 = 28,656.13/x
3. Step 3: Cross multiply
   52,529.37x = 72,490.52 × 28,656.13
4. Step 4: Simplify right side
   52,529.37x = 2,077,297,764.89
5. Step 5: Solve for x
   x = 2,077,297,764.89/52,529.37
6. Step 6: Final answer
   x = 39,545.45