Finding the Fourth Proportional to 2,109,006.50, 3,164,049.21 and 613,098.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,006.50 : 3,164,049.21 = 613,098.50 : x
2. Step 2: Convert to fraction form
   2,109,006.50/3,164,049.21 = 613,098.50/x
3. Step 3: Cross multiply
   2,109,006.50x = 3,164,049.21 × 613,098.50
4. Step 4: Simplify right side
   2,109,006.50x = 1,939,873,824,577.19
5. Step 5: Solve for x
   x = 1,939,873,824,577.19/2,109,006.50
6. Step 6: Final answer
   x = 919,804.57