Finding the Fourth Proportional to 9,009.51, 12,434.18 and 5,031.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,009.51 : 12,434.18 = 5,031.15 : x
2. Step 2: Convert to fraction form
   9,009.51/12,434.18 = 5,031.15/x
3. Step 3: Cross multiply
   9,009.51x = 12,434.18 × 5,031.15
4. Step 4: Simplify right side
   9,009.51x = 62,558,199.55
5. Step 5: Solve for x
   x = 62,558,199.55/9,009.51
6. Step 6: Final answer
   x = 6,943.57