Finding the Fourth Proportional to 90,200.36, 124,482.72 and 49,915.82

Step by Step Solution

1. Step 1: Write the proportion equation
   90,200.36 : 124,482.72 = 49,915.82 : x
2. Step 2: Convert to fraction form
   90,200.36/124,482.72 = 49,915.82/x
3. Step 3: Cross multiply
   90,200.36x = 124,482.72 × 49,915.82
4. Step 4: Simplify right side
   90,200.36x = 6,213,657,044.63
5. Step 5: Solve for x
   x = 6,213,657,044.63/90,200.36
6. Step 6: Final answer
   x = 68,887.28