Finding the Fourth Proportional to 1,192,031.55, 1,644,980.27 and 648,162.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192,031.55 : 1,644,980.27 = 648,162.59 : x
2. Step 2: Convert to fraction form
   1,192,031.55/1,644,980.27 = 648,162.59/x
3. Step 3: Cross multiply
   1,192,031.55x = 1,644,980.27 × 648,162.59
4. Step 4: Simplify right side
   1,192,031.55x = 1,066,214,660,836.38
5. Step 5: Solve for x
   x = 1,066,214,660,836.38/1,192,031.55
6. Step 6: Final answer
   x = 894,451.71