Finding the Fourth Proportional to 91,760.16, 137,623.79 and 25,191.53

Step by Step Solution

1. Step 1: Write the proportion equation
   91,760.16 : 137,623.79 = 25,191.53 : x
2. Step 2: Convert to fraction form
   91,760.16/137,623.79 = 25,191.53/x
3. Step 3: Cross multiply
   91,760.16x = 137,623.79 × 25,191.53
4. Step 4: Simplify right side
   91,760.16x = 3,466,953,020.42
5. Step 5: Solve for x
   x = 3,466,953,020.42/91,760.16
6. Step 6: Final answer
   x = 37,782.77