Finding the Fourth Proportional to 42,126.24, 63,189.18 and 17,160.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,126.24 : 63,189.18 = 17,160.72 : x
2. Step 2: Convert to fraction form
   42,126.24/63,189.18 = 17,160.72/x
3. Step 3: Cross multiply
   42,126.24x = 63,189.18 × 17,160.72
4. Step 4: Simplify right side
   42,126.24x = 1,084,371,825.01
5. Step 5: Solve for x
   x = 1,084,371,825.01/42,126.24
6. Step 6: Final answer
   x = 25,741.01