Finding the Fourth Proportional to 1,500,087.51, 2,070,104.72 and 811,744.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500,087.51 : 2,070,104.72 = 811,744.25 : x
2. Step 2: Convert to fraction form
   1,500,087.51/2,070,104.72 = 811,744.25/x
3. Step 3: Cross multiply
   1,500,087.51x = 2,070,104.72 × 811,744.25
4. Step 4: Simplify right side
   1,500,087.51x = 1,680,395,588,948.62
5. Step 5: Solve for x
   x = 1,680,395,588,948.62/1,500,087.51
6. Step 6: Final answer
   x = 1,120,198.37