Finding the Fourth Proportional to 1,400,638.40, 1,932,801.72 and 827,731.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400,638.40 : 1,932,801.72 = 827,731.88 : x
2. Step 2: Convert to fraction form
   1,400,638.40/1,932,801.72 = 827,731.88/x
3. Step 3: Cross multiply
   1,400,638.40x = 1,932,801.72 × 827,731.88
4. Step 4: Simplify right side
   1,400,638.40x = 1,599,841,601,362.83
5. Step 5: Solve for x
   x = 1,599,841,601,362.83/1,400,638.40
6. Step 6: Final answer
   x = 1,142,223.15