Finding the Fourth Proportional to 829,300.32, 1,144,787.51 and 557,525.81

Step by Step Solution

1. Step 1: Write the proportion equation
   829,300.32 : 1,144,787.51 = 557,525.81 : x
2. Step 2: Convert to fraction form
   829,300.32/1,144,787.51 = 557,525.81/x
3. Step 3: Cross multiply
   829,300.32x = 1,144,787.51 × 557,525.81
4. Step 4: Simplify right side
   829,300.32x = 638,248,588,046.42
5. Step 5: Solve for x
   x = 638,248,588,046.42/829,300.32
6. Step 6: Final answer
   x = 769,622.99