Finding the Fourth Proportional to 10,393.75, 14,343.69 and 5,678.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,393.75 : 14,343.69 = 5,678.34 : x
2. Step 2: Convert to fraction form
   10,393.75/14,343.69 = 5,678.34/x
3. Step 3: Cross multiply
   10,393.75x = 14,343.69 × 5,678.34
4. Step 4: Simplify right side
   10,393.75x = 81,448,348.67
5. Step 5: Solve for x
   x = 81,448,348.67/10,393.75
6. Step 6: Final answer
   x = 7,836.28