Finding the Fourth Proportional to 8,705.61, 12,019.98 and 5,352.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,705.61 : 12,019.98 = 5,352.93 : x
2. Step 2: Convert to fraction form
   8,705.61/12,019.98 = 5,352.93/x
3. Step 3: Cross multiply
   8,705.61x = 12,019.98 × 5,352.93
4. Step 4: Simplify right side
   8,705.61x = 64,342,111.54
5. Step 5: Solve for x
   x = 64,342,111.54/8,705.61
6. Step 6: Final answer
   x = 7,390.88