Finding the Fourth Proportional to 3,361,196.79, 4,638,843.72 and 1,911,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,361,196.79 : 4,638,843.72 = 1,911,109.50 : x
2. Step 2: Convert to fraction form
   3,361,196.79/4,638,843.72 = 1,911,109.50/x
3. Step 3: Cross multiply
   3,361,196.79x = 4,638,843.72 × 1,911,109.50
4. Step 4: Simplify right side
   3,361,196.79x = 8,865,338,302,307.34
5. Step 5: Solve for x
   x = 8,865,338,302,307.34/3,361,196.79
6. Step 6: Final answer
   x = 2,637,554.08