Finding the Fourth Proportional to 91,491, 137,094.72 and 63,465.54

Step by Step Solution

1. Step 1: Write the proportion equation
   91,491 : 137,094.72 = 63,465.54 : x
2. Step 2: Convert to fraction form
   91,491/137,094.72 = 63,465.54/x
3. Step 3: Cross multiply
   91,491x = 137,094.72 × 63,465.54
4. Step 4: Simplify right side
   91,491x = 8,700,790,435.95
5. Step 5: Solve for x
   x = 8,700,790,435.95/91,491
6. Step 6: Final answer
   x = 95,099.96