Finding the Fourth Proportional to 7,929.78, 10,938.14 and 5,100.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,929.78 : 10,938.14 = 5,100.84 : x
2. Step 2: Convert to fraction form
   7,929.78/10,938.14 = 5,100.84/x
3. Step 3: Cross multiply
   7,929.78x = 10,938.14 × 5,100.84
4. Step 4: Simplify right side
   7,929.78x = 55,793,702.04
5. Step 5: Solve for x
   x = 55,793,702.04/7,929.78
6. Step 6: Final answer
   x = 7,035.97