Finding the Fourth Proportional to 91,468.74, 137,113.86 and 38,176.05

Step by Step Solution

1. Step 1: Write the proportion equation
   91,468.74 : 137,113.86 = 38,176.05 : x
2. Step 2: Convert to fraction form
   91,468.74/137,113.86 = 38,176.05/x
3. Step 3: Cross multiply
   91,468.74x = 137,113.86 × 38,176.05
4. Step 4: Simplify right side
   91,468.74x = 5,234,465,575.05
5. Step 5: Solve for x
   x = 5,234,465,575.05/91,468.74
6. Step 6: Final answer
   x = 57,226.82