Finding the Fourth Proportional to 91,902.87, 137,872.76 and 41,969.55

Step by Step Solution

1. Step 1: Write the proportion equation
   91,902.87 : 137,872.76 = 41,969.55 : x
2. Step 2: Convert to fraction form
   91,902.87/137,872.76 = 41,969.55/x
3. Step 3: Cross multiply
   91,902.87x = 137,872.76 × 41,969.55
4. Step 4: Simplify right side
   91,902.87x = 5,786,457,484.61
5. Step 5: Solve for x
   x = 5,786,457,484.61/91,902.87
6. Step 6: Final answer
   x = 62,962.75