Finding the Fourth Proportional to 1,959,696.39, 2,939,543.49 and 611,974.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,959,696.39 : 2,939,543.49 = 611,974.50 : x
2. Step 2: Convert to fraction form
   1,959,696.39/2,939,543.49 = 611,974.50/x
3. Step 3: Cross multiply
   1,959,696.39x = 2,939,543.49 × 611,974.50
4. Step 4: Simplify right side
   1,959,696.39x = 1,798,925,648,792.62
5. Step 5: Solve for x
   x = 1,798,925,648,792.62/1,959,696.39
6. Step 6: Final answer
   x = 917,961.40