Finding the Fourth Proportional to 2,260,196.82, 3,390,274.56 and 911,404.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260,196.82 : 3,390,274.56 = 911,404.26 : x
2. Step 2: Convert to fraction form
   2,260,196.82/3,390,274.56 = 911,404.26/x
3. Step 3: Cross multiply
   2,260,196.82x = 3,390,274.56 × 911,404.26
4. Step 4: Simplify right side
   2,260,196.82x = 3,089,910,676,553.63
5. Step 5: Solve for x
   x = 3,089,910,676,553.63/2,260,196.82
6. Step 6: Final answer
   x = 1,367,098.06