Finding the Fourth Proportional to 1,151,787.96, 1,589,196.78 and 698,991.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151,787.96 : 1,589,196.78 = 698,991.48 : x
2. Step 2: Convert to fraction form
   1,151,787.96/1,589,196.78 = 698,991.48/x
3. Step 3: Cross multiply
   1,151,787.96x = 1,589,196.78 × 698,991.48
4. Step 4: Simplify right side
   1,151,787.96x = 1,110,835,009,263.43
5. Step 5: Solve for x
   x = 1,110,835,009,263.43/1,151,787.96
6. Step 6: Final answer
   x = 964,444.02