Finding the Fourth Proportional to 10,003.93, 15,026.63 and 7,938.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.93 : 15,026.63 = 7,938.47 : x
2. Step 2: Convert to fraction form
   10,003.93/15,026.63 = 7,938.47/x
3. Step 3: Cross multiply
   10,003.93x = 15,026.63 × 7,938.47
4. Step 4: Simplify right side
   10,003.93x = 119,288,397.10
5. Step 5: Solve for x
   x = 119,288,397.10/10,003.93
6. Step 6: Final answer
   x = 11,924.15