Finding the Fourth Proportional to 10,477.84, 15,726.63 and 3,820.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,477.84 : 15,726.63 = 3,820.77 : x
2. Step 2: Convert to fraction form
   10,477.84/15,726.63 = 3,820.77/x
3. Step 3: Cross multiply
   10,477.84x = 15,726.63 × 3,820.77
4. Step 4: Simplify right side
   10,477.84x = 60,087,817.00
5. Step 5: Solve for x
   x = 60,087,817.00/10,477.84
6. Step 6: Final answer
   x = 5,734.75