Finding the Fourth Proportional to 91,890, 137,810.37 and 25,314.30

Step by Step Solution

1. Step 1: Write the proportion equation
   91,890 : 137,810.37 = 25,314.30 : x
2. Step 2: Convert to fraction form
   91,890/137,810.37 = 25,314.30/x
3. Step 3: Cross multiply
   91,890x = 137,810.37 × 25,314.30
4. Step 4: Simplify right side
   91,890x = 3,488,573,049.29
5. Step 5: Solve for x
   x = 3,488,573,049.29/91,890
6. Step 6: Final answer
   x = 37,964.66