Finding the Fourth Proportional to 52,404.25, 72,315.60 and 28,531.01

Step by Step Solution

1. Step 1: Write the proportion equation
   52,404.25 : 72,315.60 = 28,531.01 : x
2. Step 2: Convert to fraction form
   52,404.25/72,315.60 = 28,531.01/x
3. Step 3: Cross multiply
   52,404.25x = 72,315.60 × 28,531.01
4. Step 4: Simplify right side
   52,404.25x = 2,063,237,106.76
5. Step 5: Solve for x
   x = 2,063,237,106.76/52,404.25
6. Step 6: Final answer
   x = 39,371.56