Finding the Fourth Proportional to 91,401.60, 137,037.60 and 41,505.60

Step by Step Solution

1. Step 1: Write the proportion equation
   91,401.60 : 137,037.60 = 41,505.60 : x
2. Step 2: Convert to fraction form
   91,401.60/137,037.60 = 41,505.60/x
3. Step 3: Cross multiply
   91,401.60x = 137,037.60 × 41,505.60
4. Step 4: Simplify right side
   91,401.60x = 5,687,827,810.56
5. Step 5: Solve for x
   x = 5,687,827,810.56/91,401.60
6. Step 6: Final answer
   x = 62,228.97