Finding the Fourth Proportional to 2,109,510.72, 2,910,916.44 and 1,179,046.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,510.72 : 2,910,916.44 = 1,179,046.80 : x
2. Step 2: Convert to fraction form
   2,109,510.72/2,910,916.44 = 1,179,046.80/x
3. Step 3: Cross multiply
   2,109,510.72x = 2,910,916.44 × 1,179,046.80
4. Step 4: Simplify right side
   2,109,510.72x = 3,432,106,713,649.39
5. Step 5: Solve for x
   x = 3,432,106,713,649.39/2,109,510.72
6. Step 6: Final answer
   x = 1,626,968.13