Finding the Fourth Proportional to 2,588,404.80, 3,882,607.20 and 695,337.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588,404.80 : 3,882,607.20 = 695,337.60 : x
2. Step 2: Convert to fraction form
   2,588,404.80/3,882,607.20 = 695,337.60/x
3. Step 3: Cross multiply
   2,588,404.80x = 3,882,607.20 × 695,337.60
4. Step 4: Simplify right side
   2,588,404.80x = 2,699,722,772,190.72
5. Step 5: Solve for x
   x = 2,699,722,772,190.72/2,588,404.80
6. Step 6: Final answer
   x = 1,043,006.40