Finding the Fourth Proportional to 1,271,783.72, 1,755,056.22 and 698,822.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,783.72 : 1,755,056.22 = 698,822.12 : x
2. Step 2: Convert to fraction form
   1,271,783.72/1,755,056.22 = 698,822.12/x
3. Step 3: Cross multiply
   1,271,783.72x = 1,755,056.22 × 698,822.12
4. Step 4: Simplify right side
   1,271,783.72x = 1,226,472,108,379.59
5. Step 5: Solve for x
   x = 1,226,472,108,379.59/1,271,783.72
6. Step 6: Final answer
   x = 964,371.61