Finding the Fourth Proportional to 1,500,768.42, 2,071,059.98 and 812,439.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500,768.42 : 2,071,059.98 = 812,439.77 : x
2. Step 2: Convert to fraction form
   1,500,768.42/2,071,059.98 = 812,439.77/x
3. Step 3: Cross multiply
   1,500,768.42x = 2,071,059.98 × 812,439.77
4. Step 4: Simplify right side
   1,500,768.42x = 1,682,611,479,389.91
5. Step 5: Solve for x
   x = 1,682,611,479,389.91/1,500,768.42
6. Step 6: Final answer
   x = 1,121,166.64