Finding the Fourth Proportional to 52,618.59, 72,615.26 and 28,746.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,618.59 : 72,615.26 = 28,746.81 : x
2. Step 2: Convert to fraction form
   52,618.59/72,615.26 = 28,746.81/x
3. Step 3: Cross multiply
   52,618.59x = 72,615.26 × 28,746.81
4. Step 4: Simplify right side
   52,618.59x = 2,087,456,938.59
5. Step 5: Solve for x
   x = 2,087,456,938.59/52,618.59
6. Step 6: Final answer
   x = 39,671.47