Finding the Fourth Proportional to 2,209,810.88, 3,314,706.86 and 612,369.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209,810.88 : 3,314,706.86 = 612,369.38 : x
2. Step 2: Convert to fraction form
   2,209,810.88/3,314,706.86 = 612,369.38/x
3. Step 3: Cross multiply
   2,209,810.88x = 3,314,706.86 × 612,369.38
4. Step 4: Simplify right side
   2,209,810.88x = 2,029,824,969,697.34
5. Step 5: Solve for x
   x = 2,029,824,969,697.34/2,209,810.88
6. Step 6: Final answer
   x = 918,551.44