Finding the Fourth Proportional to 2,188,012.62, 3,281,900.30 and 671,695.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,012.62 : 3,281,900.30 = 671,695.86 : x
2. Step 2: Convert to fraction form
   2,188,012.62/3,281,900.30 = 671,695.86/x
3. Step 3: Cross multiply
   2,188,012.62x = 3,281,900.30 × 671,695.86
4. Step 4: Simplify right side
   2,188,012.62x = 2,204,438,841,084.28
5. Step 5: Solve for x
   x = 2,204,438,841,084.28/2,188,012.62
6. Step 6: Final answer
   x = 1,007,507.37