Finding the Fourth Proportional to 2,132,479.12, 3,199,279.56 and 766,390.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132,479.12 : 3,199,279.56 = 766,390.84 : x
2. Step 2: Convert to fraction form
   2,132,479.12/3,199,279.56 = 766,390.84/x
3. Step 3: Cross multiply
   2,132,479.12x = 3,199,279.56 × 766,390.84
4. Step 4: Simplify right side
   2,132,479.12x = 2,451,898,549,383.23
5. Step 5: Solve for x
   x = 2,451,898,549,383.23/2,132,479.12
6. Step 6: Final answer
   x = 1,149,787.83