Finding the Fourth Proportional to 15,112.17, 20,848.82 and 8,737.59

Step by Step Solution

1. Step 1: Write the proportion equation
   15,112.17 : 20,848.82 = 8,737.59 : x
2. Step 2: Convert to fraction form
   15,112.17/20,848.82 = 8,737.59/x
3. Step 3: Cross multiply
   15,112.17x = 20,848.82 × 8,737.59
4. Step 4: Simplify right side
   15,112.17x = 182,168,397.46
5. Step 5: Solve for x
   x = 182,168,397.46/15,112.17
6. Step 6: Final answer
   x = 12,054.42