Finding the Fourth Proportional to 52,590.42, 72,575.82 and 28,718.01

Step by Step Solution

1. Step 1: Write the proportion equation
   52,590.42 : 72,575.82 = 28,718.01 : x
2. Step 2: Convert to fraction form
   52,590.42/72,575.82 = 28,718.01/x
3. Step 3: Cross multiply
   52,590.42x = 72,575.82 × 28,718.01
4. Step 4: Simplify right side
   52,590.42x = 2,084,233,124.52
5. Step 5: Solve for x
   x = 2,084,233,124.52/52,590.42
6. Step 6: Final answer
   x = 39,631.42