Finding the Fourth Proportional to 7,345.78, 11,019.89 and 2,962.87

Step by Step Solution

1. Step 1: Write the proportion equation
   7,345.78 : 11,019.89 = 2,962.87 : x
2. Step 2: Convert to fraction form
   7,345.78/11,019.89 = 2,962.87/x
3. Step 3: Cross multiply
   7,345.78x = 11,019.89 × 2,962.87
4. Step 4: Simplify right side
   7,345.78x = 32,650,501.48
5. Step 5: Solve for x
   x = 32,650,501.48/7,345.78
6. Step 6: Final answer
   x = 4,444.80