Finding the Fourth Proportional to 10,435.19, 14,400.57 and 5,719.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.19 : 14,400.57 = 5,719.48 : x
2. Step 2: Convert to fraction form
   10,435.19/14,400.57 = 5,719.48/x
3. Step 3: Cross multiply
   10,435.19x = 14,400.57 × 5,719.48
4. Step 4: Simplify right side
   10,435.19x = 82,363,772.10
5. Step 5: Solve for x
   x = 82,363,772.10/10,435.19
6. Step 6: Final answer
   x = 7,892.89