Finding the Fourth Proportional to 90,099.23, 124,339.53 and 49,815.59

Step by Step Solution

1. Step 1: Write the proportion equation
   90,099.23 : 124,339.53 = 49,815.59 : x
2. Step 2: Convert to fraction form
   90,099.23/124,339.53 = 49,815.59/x
3. Step 3: Cross multiply
   90,099.23x = 124,339.53 × 49,815.59
4. Step 4: Simplify right side
   90,099.23x = 6,194,047,047.27
5. Step 5: Solve for x
   x = 6,194,047,047.27/90,099.23
6. Step 6: Final answer
   x = 68,746.95