Finding the Fourth Proportional to 2,013,105.50, 2,778,085.59 and 1,107,687.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013,105.50 : 2,778,085.59 = 1,107,687.50 : x
2. Step 2: Convert to fraction form
   2,013,105.50/2,778,085.59 = 1,107,687.50/x
3. Step 3: Cross multiply
   2,013,105.50x = 2,778,085.59 × 1,107,687.50
4. Step 4: Simplify right side
   2,013,105.50x = 3,077,250,681,973.13
5. Step 5: Solve for x
   x = 3,077,250,681,973.13/2,013,105.50
6. Step 6: Final answer
   x = 1,528,608.75