Finding the Fourth Proportional to 10,156.77, 14,017.06 and 5,680.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.77 : 14,017.06 = 5,680.94 : x
2. Step 2: Convert to fraction form
   10,156.77/14,017.06 = 5,680.94/x
3. Step 3: Cross multiply
   10,156.77x = 14,017.06 × 5,680.94
4. Step 4: Simplify right side
   10,156.77x = 79,630,076.84
5. Step 5: Solve for x
   x = 79,630,076.84/10,156.77
6. Step 6: Final answer
   x = 7,840.10