Finding the Fourth Proportional to 11,897.94, 17,849.52 and 4,878

Step by Step Solution

1. Step 1: Write the proportion equation
   11,897.94 : 17,849.52 = 4,878 : x
2. Step 2: Convert to fraction form
   11,897.94/17,849.52 = 4,878/x
3. Step 3: Cross multiply
   11,897.94x = 17,849.52 × 4,878
4. Step 4: Simplify right side
   11,897.94x = 87,069,958.56
5. Step 5: Solve for x
   x = 87,069,958.56/11,897.94
6. Step 6: Final answer
   x = 7,318.07