Finding the Fourth Proportional to 7,773.86, 10,727.78 and 4,237.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,773.86 : 10,727.78 = 4,237.02 : x
2. Step 2: Convert to fraction form
   7,773.86/10,727.78 = 4,237.02/x
3. Step 3: Cross multiply
   7,773.86x = 10,727.78 × 4,237.02
4. Step 4: Simplify right side
   7,773.86x = 45,453,818.42
5. Step 5: Solve for x
   x = 45,453,818.42/7,773.86
6. Step 6: Final answer
   x = 5,847.01