Finding the Fourth Proportional to 2,667,615.20, 3,681,659.41 and 1,521,432.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667,615.20 : 3,681,659.41 = 1,521,432.80 : x
2. Step 2: Convert to fraction form
   2,667,615.20/3,681,659.41 = 1,521,432.80/x
3. Step 3: Cross multiply
   2,667,615.20x = 3,681,659.41 × 1,521,432.80
4. Step 4: Simplify right side
   2,667,615.20x = 5,601,397,362,590.77
5. Step 5: Solve for x
   x = 5,601,397,362,590.77/2,667,615.20
6. Step 6: Final answer
   x = 2,099,777.12