Finding the Fourth Proportional to 52,386.32, 72,293.12 and 28,513.17

Step by Step Solution

1. Step 1: Write the proportion equation
   52,386.32 : 72,293.12 = 28,513.17 : x
2. Step 2: Convert to fraction form
   52,386.32/72,293.12 = 28,513.17/x
3. Step 3: Cross multiply
   52,386.32x = 72,293.12 × 28,513.17
4. Step 4: Simplify right side
   52,386.32x = 2,061,305,877.82
5. Step 5: Solve for x
   x = 2,061,305,877.82/52,386.32
6. Step 6: Final answer
   x = 39,348.17