Finding the Fourth Proportional to 2,091,090.52, 3,136,822.89 and 811,667.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091,090.52 : 3,136,822.89 = 811,667.98 : x
2. Step 2: Convert to fraction form
   2,091,090.52/3,136,822.89 = 811,667.98/x
3. Step 3: Cross multiply
   2,091,090.52x = 3,136,822.89 × 811,667.98
4. Step 4: Simplify right side
   2,091,090.52x = 2,546,058,698,744.06
5. Step 5: Solve for x
   x = 2,546,058,698,744.06/2,091,090.52
6. Step 6: Final answer
   x = 1,217,574.60