Finding the Fourth Proportional to 12,300.56, 18,454.44 and 5,276.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300.56 : 18,454.44 = 5,276.88 : x
2. Step 2: Convert to fraction form
   12,300.56/18,454.44 = 5,276.88/x
3. Step 3: Cross multiply
   12,300.56x = 18,454.44 × 5,276.88
4. Step 4: Simplify right side
   12,300.56x = 97,381,865.35
5. Step 5: Solve for x
   x = 97,381,865.35/12,300.56
6. Step 6: Final answer
   x = 7,916.86