Finding the Fourth Proportional to 42,365.18, 63,547.79 and 17,400.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,365.18 : 63,547.79 = 17,400.98 : x
2. Step 2: Convert to fraction form
   42,365.18/63,547.79 = 17,400.98/x
3. Step 3: Cross multiply
   42,365.18x = 63,547.79 × 17,400.98
4. Step 4: Simplify right side
   42,365.18x = 1,105,793,822.83
5. Step 5: Solve for x
   x = 1,105,793,822.83/42,365.18
6. Step 6: Final answer
   x = 26,101.48