Finding the Fourth Proportional to 91,482.50, 137,046.17 and 67,423.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,482.50 : 137,046.17 = 67,423.10 : x
2. Step 2: Convert to fraction form
   91,482.50/137,046.17 = 67,423.10/x
3. Step 3: Cross multiply
   91,482.50x = 137,046.17 × 67,423.10
4. Step 4: Simplify right side
   91,482.50x = 9,240,076,602.18
5. Step 5: Solve for x
   x = 9,240,076,602.18/91,482.50
6. Step 6: Final answer
   x = 101,003.77