Finding the Fourth Proportional to 91,314.77, 137,035.74 and 32,155.21

Step by Step Solution

1. Step 1: Write the proportion equation
   91,314.77 : 137,035.74 = 32,155.21 : x
2. Step 2: Convert to fraction form
   91,314.77/137,035.74 = 32,155.21/x
3. Step 3: Cross multiply
   91,314.77x = 137,035.74 × 32,155.21
4. Step 4: Simplify right side
   91,314.77x = 4,406,412,775.20
5. Step 5: Solve for x
   x = 4,406,412,775.20/91,314.77
6. Step 6: Final answer
   x = 48,255.20