Finding the Fourth Proportional to 39,002.50, 53,823.59 and 21,097.59

Step by Step Solution

1. Step 1: Write the proportion equation
   39,002.50 : 53,823.59 = 21,097.59 : x
2. Step 2: Convert to fraction form
   39,002.50/53,823.59 = 21,097.59/x
3. Step 3: Cross multiply
   39,002.50x = 53,823.59 × 21,097.59
4. Step 4: Simplify right side
   39,002.50x = 1,135,548,034.15
5. Step 5: Solve for x
   x = 1,135,548,034.15/39,002.50
6. Step 6: Final answer
   x = 29,114.75