Finding the Fourth Proportional to 10,435.07, 14,400.75 and 5,719.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.07 : 14,400.75 = 5,719.35 : x
2. Step 2: Convert to fraction form
   10,435.07/14,400.75 = 5,719.35/x
3. Step 3: Cross multiply
   10,435.07x = 14,400.75 × 5,719.35
4. Step 4: Simplify right side
   10,435.07x = 82,362,929.51
5. Step 5: Solve for x
   x = 82,362,929.51/10,435.07
6. Step 6: Final answer
   x = 7,892.90