Finding the Fourth Proportional to 1,340,411.80, 1,849,151.82 and 1,187,605.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,411.80 : 1,849,151.82 = 1,187,605.84 : x
2. Step 2: Convert to fraction form
   1,340,411.80/1,849,151.82 = 1,187,605.84/x
3. Step 3: Cross multiply
   1,340,411.80x = 1,849,151.82 × 1,187,605.84
4. Step 4: Simplify right side
   1,340,411.80x = 2,196,063,500,478.63
5. Step 5: Solve for x
   x = 2,196,063,500,478.63/1,340,411.80
6. Step 6: Final answer
   x = 1,638,349.87