Finding the Fourth Proportional to 1,191,985.06, 1,644,959.94 and 648,124.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,985.06 : 1,644,959.94 = 648,124.52 : x
2. Step 2: Convert to fraction form
   1,191,985.06/1,644,959.94 = 648,124.52/x
3. Step 3: Cross multiply
   1,191,985.06x = 1,644,959.94 × 648,124.52
4. Step 4: Simplify right side
   1,191,985.06x = 1,066,138,871,531.73
5. Step 5: Solve for x
   x = 1,066,138,871,531.73/1,191,985.06
6. Step 6: Final answer
   x = 894,423.02