Finding the Fourth Proportional to 9,050.58, 12,490.95 and 5,273.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,050.58 : 12,490.95 = 5,273.93 : x
2. Step 2: Convert to fraction form
   9,050.58/12,490.95 = 5,273.93/x
3. Step 3: Cross multiply
   9,050.58x = 12,490.95 × 5,273.93
4. Step 4: Simplify right side
   9,050.58x = 65,876,333.48
5. Step 5: Solve for x
   x = 65,876,333.48/9,050.58
6. Step 6: Final answer
   x = 7,278.69