Finding the Fourth Proportional to 28,384.56, 42,573.60 and 7,606.44

Step by Step Solution

1. Step 1: Write the proportion equation
   28,384.56 : 42,573.60 = 7,606.44 : x
2. Step 2: Convert to fraction form
   28,384.56/42,573.60 = 7,606.44/x
3. Step 3: Cross multiply
   28,384.56x = 42,573.60 × 7,606.44
4. Step 4: Simplify right side
   28,384.56x = 323,833,533.98
5. Step 5: Solve for x
   x = 323,833,533.98/28,384.56
6. Step 6: Final answer
   x = 11,408.79