Finding the Fourth Proportional to 2,485,004.69, 3,727,091.76 and 688,069.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,004.69 : 3,727,091.76 = 688,069.80 : x
2. Step 2: Convert to fraction form
   2,485,004.69/3,727,091.76 = 688,069.80/x
3. Step 3: Cross multiply
   2,485,004.69x = 3,727,091.76 × 688,069.80
4. Step 4: Simplify right side
   2,485,004.69x = 2,564,499,281,884.85
5. Step 5: Solve for x
   x = 2,564,499,281,884.85/2,485,004.69
6. Step 6: Final answer
   x = 1,031,989.72