Finding the Fourth Proportional to 90,222.96, 124,499.10 and 61,092

Step by Step Solution

1. Step 1: Write the proportion equation
   90,222.96 : 124,499.10 = 61,092 : x
2. Step 2: Convert to fraction form
   90,222.96/124,499.10 = 61,092/x
3. Step 3: Cross multiply
   90,222.96x = 124,499.10 × 61,092
4. Step 4: Simplify right side
   90,222.96x = 7,605,899,017.20
5. Step 5: Solve for x
   x = 7,605,899,017.20/90,222.96
6. Step 6: Final answer
   x = 84,301.15