Finding the Fourth Proportional to 42,123.93, 63,131.31 and 17,134.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123.93 : 63,131.31 = 17,134.98 : x
2. Step 2: Convert to fraction form
   42,123.93/63,131.31 = 17,134.98/x
3. Step 3: Cross multiply
   42,123.93x = 63,131.31 × 17,134.98
4. Step 4: Simplify right side
   42,123.93x = 1,081,753,734.22
5. Step 5: Solve for x
   x = 1,081,753,734.22/42,123.93
6. Step 6: Final answer
   x = 25,680.27