Finding the Fourth Proportional to 7,901.50, 10,904.22 and 5,111.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,901.50 : 10,904.22 = 5,111.86 : x
2. Step 2: Convert to fraction form
   7,901.50/10,904.22 = 5,111.86/x
3. Step 3: Cross multiply
   7,901.50x = 10,904.22 × 5,111.86
4. Step 4: Simplify right side
   7,901.50x = 55,740,846.05
5. Step 5: Solve for x
   x = 55,740,846.05/7,901.50
6. Step 6: Final answer
   x = 7,054.46