Finding the Fourth Proportional to 2,166,601.30, 2,989,907.94 and 1,199,731.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,601.30 : 2,989,907.94 = 1,199,731.54 : x
2. Step 2: Convert to fraction form
   2,166,601.30/2,989,907.94 = 1,199,731.54/x
3. Step 3: Cross multiply
   2,166,601.30x = 2,989,907.94 × 1,199,731.54
4. Step 4: Simplify right side
   2,166,601.30x = 3,587,086,857,314.43
5. Step 5: Solve for x
   x = 3,587,086,857,314.43/2,166,601.30
6. Step 6: Final answer
   x = 1,655,628.50