Finding the Fourth Proportional to 1,515,777.98, 2,271,692.59 and 616,168.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,777.98 : 2,271,692.59 = 616,168.89 : x
2. Step 2: Convert to fraction form
   1,515,777.98/2,271,692.59 = 616,168.89/x
3. Step 3: Cross multiply
   1,515,777.98x = 2,271,692.59 × 616,168.89
4. Step 4: Simplify right side
   1,515,777.98x = 1,399,746,300,061.10
5. Step 5: Solve for x
   x = 1,399,746,300,061.10/1,515,777.98
6. Step 6: Final answer
   x = 923,450.74