Finding the Fourth Proportional to 90,077.20, 124,314.18 and 52,349

Step by Step Solution

1. Step 1: Write the proportion equation
   90,077.20 : 124,314.18 = 52,349 : x
2. Step 2: Convert to fraction form
   90,077.20/124,314.18 = 52,349/x
3. Step 3: Cross multiply
   90,077.20x = 124,314.18 × 52,349
4. Step 4: Simplify right side
   90,077.20x = 6,507,723,008.82
5. Step 5: Solve for x
   x = 6,507,723,008.82/90,077.20
6. Step 6: Final answer
   x = 72,246.06