Finding the Fourth Proportional to 2,007,900.23, 3,011,538.12 and 660,053.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007,900.23 : 3,011,538.12 = 660,053.87 : x
2. Step 2: Convert to fraction form
   2,007,900.23/3,011,538.12 = 660,053.87/x
3. Step 3: Cross multiply
   2,007,900.23x = 3,011,538.12 × 660,053.87
4. Step 4: Simplify right side
   2,007,900.23x = 1,987,777,390,758.52
5. Step 5: Solve for x
   x = 1,987,777,390,758.52/2,007,900.23
6. Step 6: Final answer
   x = 989,978.17