Finding the Fourth Proportional to 42,667.40, 63,718.13 and 42,204.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,667.40 : 63,718.13 = 42,204.04 : x
2. Step 2: Convert to fraction form
   42,667.40/63,718.13 = 42,204.04/x
3. Step 3: Cross multiply
   42,667.40x = 63,718.13 × 42,204.04
4. Step 4: Simplify right side
   42,667.40x = 2,689,162,453.46
5. Step 5: Solve for x
   x = 2,689,162,453.46/42,667.40
6. Step 6: Final answer
   x = 63,026.16