Finding the Fourth Proportional to 64,870.56, 89,521.32 and 35,062.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,870.56 : 89,521.32 = 35,062.56 : x
2. Step 2: Convert to fraction form
   64,870.56/89,521.32 = 35,062.56/x
3. Step 3: Cross multiply
   64,870.56x = 89,521.32 × 35,062.56
4. Step 4: Simplify right side
   64,870.56x = 3,138,846,653.78
5. Step 5: Solve for x
   x = 3,138,846,653.78/64,870.56
6. Step 6: Final answer
   x = 48,386.30