Finding the Fourth Proportional to 52,513.33, 72,470.15 and 28,641.36

Step by Step Solution

1. Step 1: Write the proportion equation
   52,513.33 : 72,470.15 = 28,641.36 : x
2. Step 2: Convert to fraction form
   52,513.33/72,470.15 = 28,641.36/x
3. Step 3: Cross multiply
   52,513.33x = 72,470.15 × 28,641.36
4. Step 4: Simplify right side
   52,513.33x = 2,075,643,655.40
5. Step 5: Solve for x
   x = 2,075,643,655.40/52,513.33
6. Step 6: Final answer
   x = 39,526.03