Finding the Fourth Proportional to 91,741.72, 137,587.66 and 25,166.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,741.72 : 137,587.66 = 25,166.10 : x
2. Step 2: Convert to fraction form
   91,741.72/137,587.66 = 25,166.10/x
3. Step 3: Cross multiply
   91,741.72x = 137,587.66 × 25,166.10
4. Step 4: Simplify right side
   91,741.72x = 3,462,544,810.33
5. Step 5: Solve for x
   x = 3,462,544,810.33/91,741.72
6. Step 6: Final answer
   x = 37,742.31