Finding the Fourth Proportional to 5,587.54, 7,761.34 and 5,498.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,587.54 : 7,761.34 = 5,498.22 : x
2. Step 2: Convert to fraction form
   5,587.54/7,761.34 = 5,498.22/x
3. Step 3: Cross multiply
   5,587.54x = 7,761.34 × 5,498.22
4. Step 4: Simplify right side
   5,587.54x = 42,673,554.81
5. Step 5: Solve for x
   x = 42,673,554.81/5,587.54
6. Step 6: Final answer
   x = 7,637.27