Finding the Fourth Proportional to 64,870.34, 89,520.81 and 35,062.34

Step by Step Solution

1. Step 1: Write the proportion equation
   64,870.34 : 89,520.81 = 35,062.34 : x
2. Step 2: Convert to fraction form
   64,870.34/89,520.81 = 35,062.34/x
3. Step 3: Cross multiply
   64,870.34x = 89,520.81 × 35,062.34
4. Step 4: Simplify right side
   64,870.34x = 3,138,809,077.30
5. Step 5: Solve for x
   x = 3,138,809,077.30/64,870.34
6. Step 6: Final answer
   x = 48,385.89