Finding the Fourth Proportional to 1,320,085.69, 1,976,580.83 and 837,701.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320,085.69 : 1,976,580.83 = 837,701.80 : x
2. Step 2: Convert to fraction form
   1,320,085.69/1,976,580.83 = 837,701.80/x
3. Step 3: Cross multiply
   1,320,085.69x = 1,976,580.83 × 837,701.80
4. Step 4: Simplify right side
   1,320,085.69x = 1,655,785,316,289.30
5. Step 5: Solve for x
   x = 1,655,785,316,289.30/1,320,085.69
6. Step 6: Final answer
   x = 1,254,301.39