Finding the Fourth Proportional to 2,116,482.30, 3,173,804.88 and 768,196.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,482.30 : 3,173,804.88 = 768,196.80 : x
2. Step 2: Convert to fraction form
   2,116,482.30/3,173,804.88 = 768,196.80/x
3. Step 3: Cross multiply
   2,116,482.30x = 3,173,804.88 × 768,196.80
4. Step 4: Simplify right side
   2,116,482.30x = 2,438,106,752,640.38
5. Step 5: Solve for x
   x = 2,438,106,752,640.38/2,116,482.30
6. Step 6: Final answer
   x = 1,151,961.80