Finding the Fourth Proportional to 2,007,817.59, 3,010,594.58 and 659,618.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007,817.59 : 3,010,594.58 = 659,618.21 : x
2. Step 2: Convert to fraction form
   2,007,817.59/3,010,594.58 = 659,618.21/x
3. Step 3: Cross multiply
   2,007,817.59x = 3,010,594.58 × 659,618.21
4. Step 4: Simplify right side
   2,007,817.59x = 1,985,843,001,373.02
5. Step 5: Solve for x
   x = 1,985,843,001,373.02/2,007,817.59
6. Step 6: Final answer
   x = 989,055.48