Finding the Fourth Proportional to 10,588.55, 15,870.83 and 4,340.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,588.55 : 15,870.83 = 4,340.57 : x
2. Step 2: Convert to fraction form
   10,588.55/15,870.83 = 4,340.57/x
3. Step 3: Cross multiply
   10,588.55x = 15,870.83 × 4,340.57
4. Step 4: Simplify right side
   10,588.55x = 68,888,347.52
5. Step 5: Solve for x
   x = 68,888,347.52/10,588.55
6. Step 6: Final answer
   x = 6,505.93