Finding the Fourth Proportional to 7,773.06, 10,726.47 and 4,236.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,773.06 : 10,726.47 = 4,236.15 : x
2. Step 2: Convert to fraction form
   7,773.06/10,726.47 = 4,236.15/x
3. Step 3: Cross multiply
   7,773.06x = 10,726.47 × 4,236.15
4. Step 4: Simplify right side
   7,773.06x = 45,438,935.89
5. Step 5: Solve for x
   x = 45,438,935.89/7,773.06
6. Step 6: Final answer
   x = 5,845.69