Finding the Fourth Proportional to 2,109,003.12, 3,164,044.16 and 613,095.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,003.12 : 3,164,044.16 = 613,095.12 : x
2. Step 2: Convert to fraction form
   2,109,003.12/3,164,044.16 = 613,095.12/x
3. Step 3: Cross multiply
   2,109,003.12x = 3,164,044.16 × 613,095.12
4. Step 4: Simplify right side
   2,109,003.12x = 1,939,860,033,960.50
5. Step 5: Solve for x
   x = 1,939,860,033,960.50/2,109,003.12
6. Step 6: Final answer
   x = 919,799.51