Finding the Fourth Proportional to 64,806.56, 89,433.06 and 34,998.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,806.56 : 89,433.06 = 34,998.56 : x
2. Step 2: Convert to fraction form
   64,806.56/89,433.06 = 34,998.56/x
3. Step 3: Cross multiply
   64,806.56x = 89,433.06 × 34,998.56
4. Step 4: Simplify right side
   64,806.56x = 3,130,028,539.98
5. Step 5: Solve for x
   x = 3,130,028,539.98/64,806.56
6. Step 6: Final answer
   x = 48,298.02