Finding the Fourth Proportional to 64,907.39, 89,572.17 and 35,099.39

Step by Step Solution

1. Step 1: Write the proportion equation
   64,907.39 : 89,572.17 = 35,099.39 : x
2. Step 2: Convert to fraction form
   64,907.39/89,572.17 = 35,099.39/x
3. Step 3: Cross multiply
   64,907.39x = 89,572.17 × 35,099.39
4. Step 4: Simplify right side
   64,907.39x = 3,143,928,527.98
5. Step 5: Solve for x
   x = 3,143,928,527.98/64,907.39
6. Step 6: Final answer
   x = 48,437.14