Finding the Fourth Proportional to 9,045.78, 12,483.30 and 5,900.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,045.78 : 12,483.30 = 5,900.16 : x
2. Step 2: Convert to fraction form
   9,045.78/12,483.30 = 5,900.16/x
3. Step 3: Cross multiply
   9,045.78x = 12,483.30 × 5,900.16
4. Step 4: Simplify right side
   9,045.78x = 73,653,467.33
5. Step 5: Solve for x
   x = 73,653,467.33/9,045.78
6. Step 6: Final answer
   x = 8,142.30