Finding the Fourth Proportional to 91,673.46, 137,549.41 and 38,377.89

Step by Step Solution

1. Step 1: Write the proportion equation
   91,673.46 : 137,549.41 = 38,377.89 : x
2. Step 2: Convert to fraction form
   91,673.46/137,549.41 = 38,377.89/x
3. Step 3: Cross multiply
   91,673.46x = 137,549.41 × 38,377.89
4. Step 4: Simplify right side
   91,673.46x = 5,278,856,030.60
5. Step 5: Solve for x
   x = 5,278,856,030.60/91,673.46
6. Step 6: Final answer
   x = 57,583.25