Finding the Fourth Proportional to 7,881.12, 10,874.72 and 5,051.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,881.12 : 10,874.72 = 5,051.04 : x
2. Step 2: Convert to fraction form
   7,881.12/10,874.72 = 5,051.04/x
3. Step 3: Cross multiply
   7,881.12x = 10,874.72 × 5,051.04
4. Step 4: Simplify right side
   7,881.12x = 54,928,620.45
5. Step 5: Solve for x
   x = 54,928,620.45/7,881.12
6. Step 6: Final answer
   x = 6,969.65