Finding the Fourth Proportional to 7,951.51, 10,978.12 and 5,119.93

Step by Step Solution

1. Step 1: Write the proportion equation
   7,951.51 : 10,978.12 = 5,119.93 : x
2. Step 2: Convert to fraction form
   7,951.51/10,978.12 = 5,119.93/x
3. Step 3: Cross multiply
   7,951.51x = 10,978.12 × 5,119.93
4. Step 4: Simplify right side
   7,951.51x = 56,207,151.04
5. Step 5: Solve for x
   x = 56,207,151.04/7,951.51
6. Step 6: Final answer
   x = 7,068.74