Finding the Fourth Proportional to 90,259.95, 124,563.32 and 49,978.14

Step by Step Solution

1. Step 1: Write the proportion equation
   90,259.95 : 124,563.32 = 49,978.14 : x
2. Step 2: Convert to fraction form
   90,259.95/124,563.32 = 49,978.14/x
3. Step 3: Cross multiply
   90,259.95x = 124,563.32 × 49,978.14
4. Step 4: Simplify right side
   90,259.95x = 6,225,443,045.82
5. Step 5: Solve for x
   x = 6,225,443,045.82/90,259.95
6. Step 6: Final answer
   x = 68,972.37