Finding the Fourth Proportional to 91,880.85, 137,808.72 and 25,311.41

Step by Step Solution

1. Step 1: Write the proportion equation
   91,880.85 : 137,808.72 = 25,311.41 : x
2. Step 2: Convert to fraction form
   91,880.85/137,808.72 = 25,311.41/x
3. Step 3: Cross multiply
   91,880.85x = 137,808.72 × 25,311.41
4. Step 4: Simplify right side
   91,880.85x = 3,488,133,013.50
5. Step 5: Solve for x
   x = 3,488,133,013.50/91,880.85
6. Step 6: Final answer
   x = 37,963.66