Finding the Fourth Proportional to 90,465.18, 124,849.59 and 50,191.89

Step by Step Solution

1. Step 1: Write the proportion equation
   90,465.18 : 124,849.59 = 50,191.89 : x
2. Step 2: Convert to fraction form
   90,465.18/124,849.59 = 50,191.89/x
3. Step 3: Cross multiply
   90,465.18x = 124,849.59 × 50,191.89
4. Step 4: Simplify right side
   90,465.18x = 6,266,436,887.83
5. Step 5: Solve for x
   x = 6,266,436,887.83/90,465.18
6. Step 6: Final answer
   x = 69,269.05