Finding the Fourth Proportional to 10,335.30, 14,263.04 and 5,619.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,335.30 : 14,263.04 = 5,619.58 : x
2. Step 2: Convert to fraction form
   10,335.30/14,263.04 = 5,619.58/x
3. Step 3: Cross multiply
   10,335.30x = 14,263.04 × 5,619.58
4. Step 4: Simplify right side
   10,335.30x = 80,152,241.10
5. Step 5: Solve for x
   x = 80,152,241.10/10,335.30
6. Step 6: Final answer
   x = 7,755.20