Finding the Fourth Proportional to 1,528,155.99, 2,108,865.38 and 955,531.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,155.99 : 2,108,865.38 = 955,531.35 : x
2. Step 2: Convert to fraction form
   1,528,155.99/2,108,865.38 = 955,531.35/x
3. Step 3: Cross multiply
   1,528,155.99x = 2,108,865.38 × 955,531.35
4. Step 4: Simplify right side
   1,528,155.99x = 2,015,086,978,742.01
5. Step 5: Solve for x
   x = 2,015,086,978,742.01/1,528,155.99
6. Step 6: Final answer
   x = 1,318,639.58