Finding the Fourth Proportional to 7,761.34, 11,621.34 and 5,300.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,761.34 : 11,621.34 = 5,300.96 : x
2. Step 2: Convert to fraction form
   7,761.34/11,621.34 = 5,300.96/x
3. Step 3: Cross multiply
   7,761.34x = 11,621.34 × 5,300.96
4. Step 4: Simplify right side
   7,761.34x = 61,604,258.49
5. Step 5: Solve for x
   x = 61,604,258.49/7,761.34
6. Step 6: Final answer
   x = 7,937.32