Finding the Fourth Proportional to 91,026.59, 136,490.43 and 41,048.18

Step by Step Solution

1. Step 1: Write the proportion equation
   91,026.59 : 136,490.43 = 41,048.18 : x
2. Step 2: Convert to fraction form
   91,026.59/136,490.43 = 41,048.18/x
3. Step 3: Cross multiply
   91,026.59x = 136,490.43 × 41,048.18
4. Step 4: Simplify right side
   91,026.59x = 5,602,683,738.92
5. Step 5: Solve for x
   x = 5,602,683,738.92/91,026.59
6. Step 6: Final answer
   x = 61,549.97