Finding the Fourth Proportional to 9,049.51, 12,488.57 and 5,070.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,049.51 : 12,488.57 = 5,070.87 : x
2. Step 2: Convert to fraction form
   9,049.51/12,488.57 = 5,070.87/x
3. Step 3: Cross multiply
   9,049.51x = 12,488.57 × 5,070.87
4. Step 4: Simplify right side
   9,049.51x = 63,327,914.96
5. Step 5: Solve for x
   x = 63,327,914.96/9,049.51
6. Step 6: Final answer
   x = 6,997.94