Finding the Fourth Proportional to 10,131.77, 13,981.71 and 5,656.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.77 : 13,981.71 = 5,656.62 : x
2. Step 2: Convert to fraction form
   10,131.77/13,981.71 = 5,656.62/x
3. Step 3: Cross multiply
   10,131.77x = 13,981.71 × 5,656.62
4. Step 4: Simplify right side
   10,131.77x = 79,089,220.42
5. Step 5: Solve for x
   x = 79,089,220.42/10,131.77
6. Step 6: Final answer
   x = 7,806.07