Finding the Fourth Proportional to 1,132,805.02, 1,563,315.25 and 623,554.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,805.02 : 1,563,315.25 = 623,554.78 : x
2. Step 2: Convert to fraction form
   1,132,805.02/1,563,315.25 = 623,554.78/x
3. Step 3: Cross multiply
   1,132,805.02x = 1,563,315.25 × 623,554.78
4. Step 4: Simplify right side
   1,132,805.02x = 974,812,689,758.33
5. Step 5: Solve for x
   x = 974,812,689,758.33/1,132,805.02
6. Step 6: Final answer
   x = 860,529.99