Finding the Fourth Proportional to 28,667.24, 42,995.82 and 7,607.48

Step by Step Solution

1. Step 1: Write the proportion equation
   28,667.24 : 42,995.82 = 7,607.48 : x
2. Step 2: Convert to fraction form
   28,667.24/42,995.82 = 7,607.48/x
3. Step 3: Cross multiply
   28,667.24x = 42,995.82 × 7,607.48
4. Step 4: Simplify right side
   28,667.24x = 327,089,840.73
5. Step 5: Solve for x
   x = 327,089,840.73/28,667.24
6. Step 6: Final answer
   x = 11,409.88