Finding the Fourth Proportional to 2,109,089.63, 3,164,173.91 and 613,181.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,089.63 : 3,164,173.91 = 613,181.63 : x
2. Step 2: Convert to fraction form
   2,109,089.63/3,164,173.91 = 613,181.63/x
3. Step 3: Cross multiply
   2,109,089.63x = 3,164,173.91 × 613,181.63
4. Step 4: Simplify right side
   2,109,089.63x = 1,940,213,296,850.50
5. Step 5: Solve for x
   x = 1,940,213,296,850.50/2,109,089.63
6. Step 6: Final answer
   x = 919,929.28