Finding the Fourth Proportional to 52,599.67, 72,587.81 and 28,726.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,599.67 : 72,587.81 = 28,726.34 : x
2. Step 2: Convert to fraction form
   52,599.67/72,587.81 = 28,726.34/x
3. Step 3: Cross multiply
   52,599.67x = 72,587.81 × 28,726.34
4. Step 4: Simplify right side
   52,599.67x = 2,085,182,109.92
5. Step 5: Solve for x
   x = 2,085,182,109.92/52,599.67
6. Step 6: Final answer
   x = 39,642.49