Finding the Fourth Proportional to 64,870.28, 89,521.14 and 35,062.28

Step by Step Solution

1. Step 1: Write the proportion equation
   64,870.28 : 89,521.14 = 35,062.28 : x
2. Step 2: Convert to fraction form
   64,870.28/89,521.14 = 35,062.28/x
3. Step 3: Cross multiply
   64,870.28x = 89,521.14 × 35,062.28
4. Step 4: Simplify right side
   64,870.28x = 3,138,815,276.60
5. Step 5: Solve for x
   x = 3,138,815,276.60/64,870.28
6. Step 6: Final answer
   x = 48,386.03