Finding the Fourth Proportional to 1,906,324.82, 2,630,070.61 and 1,218,399.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906,324.82 : 2,630,070.61 = 1,218,399.37 : x
2. Step 2: Convert to fraction form
   1,906,324.82/2,630,070.61 = 1,218,399.37/x
3. Step 3: Cross multiply
   1,906,324.82x = 2,630,070.61 × 1,218,399.37
4. Step 4: Simplify right side
   1,906,324.82x = 3,204,476,364,658.34
5. Step 5: Solve for x
   x = 3,204,476,364,658.34/1,906,324.82
6. Step 6: Final answer
   x = 1,680,970.80