Finding the Fourth Proportional to 2,666,917.60, 3,680,355.56 and 1,443,222.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,917.60 : 3,680,355.56 = 1,443,222.81 : x
2. Step 2: Convert to fraction form
   2,666,917.60/3,680,355.56 = 1,443,222.81/x
3. Step 3: Cross multiply
   2,666,917.60x = 3,680,355.56 × 1,443,222.81
4. Step 4: Simplify right side
   2,666,917.60x = 5,311,573,085,886.21
5. Step 5: Solve for x
   x = 5,311,573,085,886.21/2,666,917.60
6. Step 6: Final answer
   x = 1,991,652.49