Finding the Fourth Proportional to 90,145.93, 124,386.51 and 49,851.82

Step by Step Solution

1. Step 1: Write the proportion equation
   90,145.93 : 124,386.51 = 49,851.82 : x
2. Step 2: Convert to fraction form
   90,145.93/124,386.51 = 49,851.82/x
3. Step 3: Cross multiply
   90,145.93x = 124,386.51 × 49,851.82
4. Step 4: Simplify right side
   90,145.93x = 6,200,893,285.02
5. Step 5: Solve for x
   x = 6,200,893,285.02/90,145.93
6. Step 6: Final answer
   x = 68,787.28