Finding the Fourth Proportional to 91,703.96, 137,546.72 and 25,150.78

Step by Step Solution

1. Step 1: Write the proportion equation
   91,703.96 : 137,546.72 = 25,150.78 : x
2. Step 2: Convert to fraction form
   91,703.96/137,546.72 = 25,150.78/x
3. Step 3: Cross multiply
   91,703.96x = 137,546.72 × 25,150.78
4. Step 4: Simplify right side
   91,703.96x = 3,459,407,294.44
5. Step 5: Solve for x
   x = 3,459,407,294.44/91,703.96
6. Step 6: Final answer
   x = 37,723.64