Finding the Fourth Proportional to 42,377.10, 63,555 and 17,424.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,377.10 : 63,555 = 17,424.12 : x
2. Step 2: Convert to fraction form
   42,377.10/63,555 = 17,424.12/x
3. Step 3: Cross multiply
   42,377.10x = 63,555 × 17,424.12
4. Step 4: Simplify right side
   42,377.10x = 1,107,389,946.60
5. Step 5: Solve for x
   x = 1,107,389,946.60/42,377.10
6. Step 6: Final answer
   x = 26,131.80