Finding the Fourth Proportional to 7,866.86, 10,856.52 and 4,330.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,866.86 : 10,856.52 = 4,330.34 : x
2. Step 2: Convert to fraction form
   7,866.86/10,856.52 = 4,330.34/x
3. Step 3: Cross multiply
   7,866.86x = 10,856.52 × 4,330.34
4. Step 4: Simplify right side
   7,866.86x = 47,012,422.82
5. Step 5: Solve for x
   x = 47,012,422.82/7,866.86
6. Step 6: Final answer
   x = 5,976.01