Finding the Fourth Proportional to 1,642,819.12, 2,265,617.72 and 1,368,086.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642,819.12 : 2,265,617.72 = 1,368,086.73 : x
2. Step 2: Convert to fraction form
   1,642,819.12/2,265,617.72 = 1,368,086.73/x
3. Step 3: Cross multiply
   1,642,819.12x = 2,265,617.72 × 1,368,086.73
4. Step 4: Simplify right side
   1,642,819.12x = 3,099,561,532,909.01
5. Step 5: Solve for x
   x = 3,099,561,532,909.01/1,642,819.12
6. Step 6: Final answer
   x = 1,886,733.30