Finding the Fourth Proportional to 2,380,860.72, 3,283,687.20 and 1,565,900.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380,860.72 : 3,283,687.20 = 1,565,900.64 : x
2. Step 2: Convert to fraction form
   2,380,860.72/3,283,687.20 = 1,565,900.64/x
3. Step 3: Cross multiply
   2,380,860.72x = 3,283,687.20 × 1,565,900.64
4. Step 4: Simplify right side
   2,380,860.72x = 5,141,927,888,039.81
5. Step 5: Solve for x
   x = 5,141,927,888,039.81/2,380,860.72
6. Step 6: Final answer
   x = 2,159,692.86