Finding the Fourth Proportional to 42,017.40, 59,135.67 and 42,017.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017.40 : 59,135.67 = 42,017.40 : x
2. Step 2: Convert to fraction form
   42,017.40/59,135.67 = 42,017.40/x
3. Step 3: Cross multiply
   42,017.40x = 59,135.67 × 42,017.40
4. Step 4: Simplify right side
   42,017.40x = 2,484,727,100.66
5. Step 5: Solve for x
   x = 2,484,727,100.66/42,017.40
6. Step 6: Final answer
   x = 59,135.67