Finding the Fourth Proportional to 42,360.48, 63,570.69 and 17,423.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,360.48 : 63,570.69 = 17,423.28 : x
2. Step 2: Convert to fraction form
   42,360.48/63,570.69 = 17,423.28/x
3. Step 3: Cross multiply
   42,360.48x = 63,570.69 × 17,423.28
4. Step 4: Simplify right side
   42,360.48x = 1,107,609,931.66
5. Step 5: Solve for x
   x = 1,107,609,931.66/42,360.48
6. Step 6: Final answer
   x = 26,147.25