Finding the Fourth Proportional to 2,013,128.50, 2,778,136.80 and 1,107,729.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013,128.50 : 2,778,136.80 = 1,107,729.94 : x
2. Step 2: Convert to fraction form
   2,013,128.50/2,778,136.80 = 1,107,729.94/x
3. Step 3: Cross multiply
   2,013,128.50x = 2,778,136.80 × 1,107,729.94
4. Step 4: Simplify right side
   2,013,128.50x = 3,077,425,310,775.79
5. Step 5: Solve for x
   x = 3,077,425,310,775.79/2,013,128.50
6. Step 6: Final answer
   x = 1,528,678.03