Finding the Fourth Proportional to 42,868.78, 59,174.43 and 34,897.17

Step by Step Solution

1. Step 1: Write the proportion equation
   42,868.78 : 59,174.43 = 34,897.17 : x
2. Step 2: Convert to fraction form
   42,868.78/59,174.43 = 34,897.17/x
3. Step 3: Cross multiply
   42,868.78x = 59,174.43 × 34,897.17
4. Step 4: Simplify right side
   42,868.78x = 2,065,020,143.36
5. Step 5: Solve for x
   x = 2,065,020,143.36/42,868.78
6. Step 6: Final answer
   x = 48,170.72