Finding the Fourth Proportional to 9,126.05, 12,587.54 and 5,590.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,126.05 : 12,587.54 = 5,590.98 : x
2. Step 2: Convert to fraction form
   9,126.05/12,587.54 = 5,590.98/x
3. Step 3: Cross multiply
   9,126.05x = 12,587.54 × 5,590.98
4. Step 4: Simplify right side
   9,126.05x = 70,376,656.43
5. Step 5: Solve for x
   x = 70,376,656.43/9,126.05
6. Step 6: Final answer
   x = 7,711.63