Finding the Fourth Proportional to 10,505.51, 14,497.56 and 5,789.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.51 : 14,497.56 = 5,789.78 : x
2. Step 2: Convert to fraction form
   10,505.51/14,497.56 = 5,789.78/x
3. Step 3: Cross multiply
   10,505.51x = 14,497.56 × 5,789.78
4. Step 4: Simplify right side
   10,505.51x = 83,937,719.18
5. Step 5: Solve for x
   x = 83,937,719.18/10,505.51
6. Step 6: Final answer
   x = 7,989.87