Finding the Fourth Proportional to 1,500,212.75, 2,070,300.18 and 811,884.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500,212.75 : 2,070,300.18 = 811,884.69 : x
2. Step 2: Convert to fraction form
   1,500,212.75/2,070,300.18 = 811,884.69/x
3. Step 3: Cross multiply
   1,500,212.75x = 2,070,300.18 × 811,884.69
4. Step 4: Simplify right side
   1,500,212.75x = 1,680,845,019,846.24
5. Step 5: Solve for x
   x = 1,680,845,019,846.24/1,500,212.75
6. Step 6: Final answer
   x = 1,120,404.44