Finding the Fourth Proportional to 9,345.83, 12,888.86 and 7,352.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,345.83 : 12,888.86 = 7,352.82 : x
2. Step 2: Convert to fraction form
   9,345.83/12,888.86 = 7,352.82/x
3. Step 3: Cross multiply
   9,345.83x = 12,888.86 × 7,352.82
4. Step 4: Simplify right side
   9,345.83x = 94,769,430.82
5. Step 5: Solve for x
   x = 94,769,430.82/9,345.83
6. Step 6: Final answer
   x = 10,140.30