Finding the Fourth Proportional to 10,038.22, 15,071.12 and 5,111.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,038.22 : 15,071.12 = 5,111.17 : x
2. Step 2: Convert to fraction form
   10,038.22/15,071.12 = 5,111.17/x
3. Step 3: Cross multiply
   10,038.22x = 15,071.12 × 5,111.17
4. Step 4: Simplify right side
   10,038.22x = 77,031,056.41
5. Step 5: Solve for x
   x = 77,031,056.41/10,038.22
6. Step 6: Final answer
   x = 7,673.78