Finding the Fourth Proportional to 91,572.89, 137,345.36 and 25,018.43

Step by Step Solution

1. Step 1: Write the proportion equation
   91,572.89 : 137,345.36 = 25,018.43 : x
2. Step 2: Convert to fraction form
   91,572.89/137,345.36 = 25,018.43/x
3. Step 3: Cross multiply
   91,572.89x = 137,345.36 × 25,018.43
4. Step 4: Simplify right side
   91,572.89x = 3,436,164,463.17
5. Step 5: Solve for x
   x = 3,436,164,463.17/91,572.89
6. Step 6: Final answer
   x = 37,523.82