Finding the Fourth Proportional to 2,066,238.99, 3,099,389.67 and 786,917.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066,238.99 : 3,099,389.67 = 786,917.30 : x
2. Step 2: Convert to fraction form
   2,066,238.99/3,099,389.67 = 786,917.30/x
3. Step 3: Cross multiply
   2,066,238.99x = 3,099,389.67 × 786,917.30
4. Step 4: Simplify right side
   2,066,238.99x = 2,438,963,335,267.34
5. Step 5: Solve for x
   x = 2,438,963,335,267.34/2,066,238.99
6. Step 6: Final answer
   x = 1,180,387.82