Finding the Fourth Proportional to 10,274.61, 14,178.96 and 5,558.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,274.61 : 14,178.96 = 5,558.91 : x
2. Step 2: Convert to fraction form
   10,274.61/14,178.96 = 5,558.91/x
3. Step 3: Cross multiply
   10,274.61x = 14,178.96 × 5,558.91
4. Step 4: Simplify right side
   10,274.61x = 78,819,562.53
5. Step 5: Solve for x
   x = 78,819,562.53/10,274.61
6. Step 6: Final answer
   x = 7,671.29