Finding the Fourth Proportional to 7,349.36, 10,138.76 and 5,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,349.36 : 10,138.76 = 5,116.72 : x
2. Step 2: Convert to fraction form
   7,349.36/10,138.76 = 5,116.72/x
3. Step 3: Cross multiply
   7,349.36x = 10,138.76 × 5,116.72
4. Step 4: Simplify right side
   7,349.36x = 51,877,196.07
5. Step 5: Solve for x
   x = 51,877,196.07/7,349.36
6. Step 6: Final answer
   x = 7,058.74