Finding the Fourth Proportional to 10,070.68, 15,105.72 and 5,907.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,070.68 : 15,105.72 = 5,907.49 : x
2. Step 2: Convert to fraction form
   10,070.68/15,105.72 = 5,907.49/x
3. Step 3: Cross multiply
   10,070.68x = 15,105.72 × 5,907.49
4. Step 4: Simplify right side
   10,070.68x = 89,236,889.84
5. Step 5: Solve for x
   x = 89,236,889.84/10,070.68
6. Step 6: Final answer
   x = 8,861.06