Finding the Fourth Proportional to 2,133,021.50, 3,200,713.17 and 1,277,991.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133,021.50 : 3,200,713.17 = 1,277,991.98 : x
2. Step 2: Convert to fraction form
   2,133,021.50/3,200,713.17 = 1,277,991.98/x
3. Step 3: Cross multiply
   2,133,021.50x = 3,200,713.17 × 1,277,991.98
4. Step 4: Simplify right side
   2,133,021.50x = 4,090,485,761,540.38
5. Step 5: Solve for x
   x = 4,090,485,761,540.38/2,133,021.50
6. Step 6: Final answer
   x = 1,917,695.51