Finding the Fourth Proportional to 62,196.77, 85,763.70 and 42,018.62

Step by Step Solution

1. Step 1: Write the proportion equation
   62,196.77 : 85,763.70 = 42,018.62 : x
2. Step 2: Convert to fraction form
   62,196.77/85,763.70 = 42,018.62/x
3. Step 3: Cross multiply
   62,196.77x = 85,763.70 × 42,018.62
4. Step 4: Simplify right side
   62,196.77x = 3,603,671,891.28
5. Step 5: Solve for x
   x = 3,603,671,891.28/62,196.77
6. Step 6: Final answer
   x = 57,939.86