Finding the Fourth Proportional to 91,711.34, 137,567.21 and 25,152.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,711.34 : 137,567.21 = 25,152.42 : x
2. Step 2: Convert to fraction form
   91,711.34/137,567.21 = 25,152.42/x
3. Step 3: Cross multiply
   91,711.34x = 137,567.21 × 25,152.42
4. Step 4: Simplify right side
   91,711.34x = 3,460,148,118.39
5. Step 5: Solve for x
   x = 3,460,148,118.39/91,711.34
6. Step 6: Final answer
   x = 37,728.69