Finding the Fourth Proportional to 2,119.86, 2,922.34 and 1,488.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.86 : 2,922.34 = 1,488.47 : x
2. Step 2: Convert to fraction form
   2,119.86/2,922.34 = 1,488.47/x
3. Step 3: Cross multiply
   2,119.86x = 2,922.34 × 1,488.47
4. Step 4: Simplify right side
   2,119.86x = 4,349,804.39
5. Step 5: Solve for x
   x = 4,349,804.39/2,119.86
6. Step 6: Final answer
   x = 2,051.93