Finding the Fourth Proportional to 91,713.34, 137,570.21 and 25,154.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,713.34 : 137,570.21 = 25,154.42 : x
2. Step 2: Convert to fraction form
   91,713.34/137,570.21 = 25,154.42/x
3. Step 3: Cross multiply
   91,713.34x = 137,570.21 × 25,154.42
4. Step 4: Simplify right side
   91,713.34x = 3,460,498,841.83
5. Step 5: Solve for x
   x = 3,460,498,841.83/91,713.34
6. Step 6: Final answer
   x = 37,731.68