Finding the Fourth Proportional to 42,017.40, 63,804.24 and 42,017.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017.40 : 63,804.24 = 42,017.40 : x
2. Step 2: Convert to fraction form
   42,017.40/63,804.24 = 42,017.40/x
3. Step 3: Cross multiply
   42,017.40x = 63,804.24 × 42,017.40
4. Step 4: Simplify right side
   42,017.40x = 2,680,888,273.78
5. Step 5: Solve for x
   x = 2,680,888,273.78/42,017.40
6. Step 6: Final answer
   x = 63,804.24