Finding the Fourth Proportional to 10,435.57, 14,400.93 and 5,719.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.57 : 14,400.93 = 5,719.86 : x
2. Step 2: Convert to fraction form
   10,435.57/14,400.93 = 5,719.86/x
3. Step 3: Cross multiply
   10,435.57x = 14,400.93 × 5,719.86
4. Step 4: Simplify right side
   10,435.57x = 82,371,303.47
5. Step 5: Solve for x
   x = 82,371,303.47/10,435.57
6. Step 6: Final answer
   x = 7,893.32