Finding the Fourth Proportional to 2,156,749.58, 2,976,293.90 and 1,189,887.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,749.58 : 2,976,293.90 = 1,189,887.68 : x
2. Step 2: Convert to fraction form
   2,156,749.58/2,976,293.90 = 1,189,887.68/x
3. Step 3: Cross multiply
   2,156,749.58x = 2,976,293.90 × 1,189,887.68
4. Step 4: Simplify right side
   2,156,749.58x = 3,541,455,443,669.15
5. Step 5: Solve for x
   x = 3,541,455,443,669.15/2,156,749.58
6. Step 6: Final answer
   x = 1,642,033.68