Finding the Fourth Proportional to 10,347.16, 14,279.22 and 5,870.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,347.16 : 14,279.22 = 5,870.80 : x
2. Step 2: Convert to fraction form
   10,347.16/14,279.22 = 5,870.80/x
3. Step 3: Cross multiply
   10,347.16x = 14,279.22 × 5,870.80
4. Step 4: Simplify right side
   10,347.16x = 83,830,444.78
5. Step 5: Solve for x
   x = 83,830,444.78/10,347.16
6. Step 6: Final answer
   x = 8,101.78