Finding the Fourth Proportional to 1,151,487.98, 1,728,728.69 and 885,435.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151,487.98 : 1,728,728.69 = 885,435.32 : x
2. Step 2: Convert to fraction form
   1,151,487.98/1,728,728.69 = 885,435.32/x
3. Step 3: Cross multiply
   1,151,487.98x = 1,728,728.69 × 885,435.32
4. Step 4: Simplify right side
   1,151,487.98x = 1,530,677,427,752.51
5. Step 5: Solve for x
   x = 1,530,677,427,752.51/1,151,487.98
6. Step 6: Final answer
   x = 1,329,303.88