Finding the Fourth Proportional to 64,249.56, 88,661.48 and 35,570.30

Step by Step Solution

1. Step 1: Write the proportion equation
   64,249.56 : 88,661.48 = 35,570.30 : x
2. Step 2: Convert to fraction form
   64,249.56/88,661.48 = 35,570.30/x
3. Step 3: Cross multiply
   64,249.56x = 88,661.48 × 35,570.30
4. Step 4: Simplify right side
   64,249.56x = 3,153,714,820.89
5. Step 5: Solve for x
   x = 3,153,714,820.89/64,249.56
6. Step 6: Final answer
   x = 49,085.39