Finding the Fourth Proportional to 10,435.70, 14,401.31 and 5,655.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.70 : 14,401.31 = 5,655.65 : x
2. Step 2: Convert to fraction form
   10,435.70/14,401.31 = 5,655.65/x
3. Step 3: Cross multiply
   10,435.70x = 14,401.31 × 5,655.65
4. Step 4: Simplify right side
   10,435.70x = 81,448,768.90
5. Step 5: Solve for x
   x = 81,448,768.90/10,435.70
6. Step 6: Final answer
   x = 7,804.82