Finding the Fourth Proportional to 10,212.53, 14,089.59 and 6,677.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,212.53 : 14,089.59 = 6,677.78 : x
2. Step 2: Convert to fraction form
   10,212.53/14,089.59 = 6,677.78/x
3. Step 3: Cross multiply
   10,212.53x = 14,089.59 × 6,677.78
4. Step 4: Simplify right side
   10,212.53x = 94,087,111.86
5. Step 5: Solve for x
   x = 94,087,111.86/10,212.53
6. Step 6: Final answer
   x = 9,212.91