Finding the Fourth Proportional to 64,888.50, 89,546.22 and 35,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,888.50 : 89,546.22 = 35,080.50 : x
2. Step 2: Convert to fraction form
   64,888.50/89,546.22 = 35,080.50/x
3. Step 3: Cross multiply
   64,888.50x = 89,546.22 × 35,080.50
4. Step 4: Simplify right side
   64,888.50x = 3,141,326,170.71
5. Step 5: Solve for x
   x = 3,141,326,170.71/64,888.50
6. Step 6: Final answer
   x = 48,411.14