Finding the Fourth Proportional to 63,815, 88,064.70 and 35,520.08

Step by Step Solution

1. Step 1: Write the proportion equation
   63,815 : 88,064.70 = 35,520.08 : x
2. Step 2: Convert to fraction form
   63,815/88,064.70 = 35,520.08/x
3. Step 3: Cross multiply
   63,815x = 88,064.70 × 35,520.08
4. Step 4: Simplify right side
   63,815x = 3,128,065,189.18
5. Step 5: Solve for x
   x = 3,128,065,189.18/63,815
6. Step 6: Final answer
   x = 49,017.71