Finding the Fourth Proportional to 1,528,500.20, 2,107,107.06 and 1,068,185.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,500.20 : 2,107,107.06 = 1,068,185.60 : x
2. Step 2: Convert to fraction form
   1,528,500.20/2,107,107.06 = 1,068,185.60/x
3. Step 3: Cross multiply
   1,528,500.20x = 2,107,107.06 × 1,068,185.60
4. Step 4: Simplify right side
   1,528,500.20x = 2,250,781,419,150.34
5. Step 5: Solve for x
   x = 2,250,781,419,150.34/1,528,500.20
6. Step 6: Final answer
   x = 1,472,542.44