Finding the Fourth Proportional to 1,500,499.26, 2,070,688.78 and 812,170.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500,499.26 : 2,070,688.78 = 812,170.98 : x
2. Step 2: Convert to fraction form
   1,500,499.26/2,070,688.78 = 812,170.98/x
3. Step 3: Cross multiply
   1,500,499.26x = 2,070,688.78 × 812,170.98
4. Step 4: Simplify right side
   1,500,499.26x = 1,681,753,335,727.60
5. Step 5: Solve for x
   x = 1,681,753,335,727.60/1,500,499.26
6. Step 6: Final answer
   x = 1,120,795.84