Finding the Fourth Proportional to 7,991.34, 11,041.59 and 5,748.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,991.34 : 11,041.59 = 5,748.78 : x
2. Step 2: Convert to fraction form
   7,991.34/11,041.59 = 5,748.78/x
3. Step 3: Cross multiply
   7,991.34x = 11,041.59 × 5,748.78
4. Step 4: Simplify right side
   7,991.34x = 63,475,671.76
5. Step 5: Solve for x
   x = 63,475,671.76/7,991.34
6. Step 6: Final answer
   x = 7,943.06