Finding the Fourth Proportional to 57,417.59, 86,120.81 and 17,436.92

Step by Step Solution

1. Step 1: Write the proportion equation
   57,417.59 : 86,120.81 = 17,436.92 : x
2. Step 2: Convert to fraction form
   57,417.59/86,120.81 = 17,436.92/x
3. Step 3: Cross multiply
   57,417.59x = 86,120.81 × 17,436.92
4. Step 4: Simplify right side
   57,417.59x = 1,501,681,933.20
5. Step 5: Solve for x
   x = 1,501,681,933.20/57,417.59
6. Step 6: Final answer
   x = 26,153.69