Finding the Fourth Proportional to 63,817.20, 88,068.06 and 35,139.78

Step by Step Solution

1. Step 1: Write the proportion equation
   63,817.20 : 88,068.06 = 35,139.78 : x
2. Step 2: Convert to fraction form
   63,817.20/88,068.06 = 35,139.78/x
3. Step 3: Cross multiply
   63,817.20x = 88,068.06 × 35,139.78
4. Step 4: Simplify right side
   63,817.20x = 3,094,692,253.43
5. Step 5: Solve for x
   x = 3,094,692,253.43/63,817.20
6. Step 6: Final answer
   x = 48,493.07