Finding the Fourth Proportional to 10,870.55, 16,310.51 and 5,871.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.55 : 16,310.51 = 5,871.93 : x
2. Step 2: Convert to fraction form
   10,870.55/16,310.51 = 5,871.93/x
3. Step 3: Cross multiply
   10,870.55x = 16,310.51 × 5,871.93
4. Step 4: Simplify right side
   10,870.55x = 95,774,143.62
5. Step 5: Solve for x
   x = 95,774,143.62/10,870.55
6. Step 6: Final answer
   x = 8,810.43