Finding the Fourth Proportional to 7,901.15, 10,900.89 and 5,068.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,901.15 : 10,900.89 = 5,068.31 : x
2. Step 2: Convert to fraction form
   7,901.15/10,900.89 = 5,068.31/x
3. Step 3: Cross multiply
   7,901.15x = 10,900.89 × 5,068.31
4. Step 4: Simplify right side
   7,901.15x = 55,249,035.29
5. Step 5: Solve for x
   x = 55,249,035.29/7,901.15
6. Step 6: Final answer
   x = 6,992.54