Finding the Fourth Proportional to 33,100.47, 49,656.15 and 10,915.17

Step by Step Solution

1. Step 1: Write the proportion equation
   33,100.47 : 49,656.15 = 10,915.17 : x
2. Step 2: Convert to fraction form
   33,100.47/49,656.15 = 10,915.17/x
3. Step 3: Cross multiply
   33,100.47x = 49,656.15 × 10,915.17
4. Step 4: Simplify right side
   33,100.47x = 542,005,318.80
5. Step 5: Solve for x
   x = 542,005,318.80/33,100.47
6. Step 6: Final answer
   x = 16,374.55