Finding the Fourth Proportional to 1,132,777.59, 1,563,200.42 and 623,469.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,777.59 : 1,563,200.42 = 623,469.03 : x
2. Step 2: Convert to fraction form
   1,132,777.59/1,563,200.42 = 623,469.03/x
3. Step 3: Cross multiply
   1,132,777.59x = 1,563,200.42 × 623,469.03
4. Step 4: Simplify right side
   1,132,777.59x = 974,607,046,435.65
5. Step 5: Solve for x
   x = 974,607,046,435.65/1,132,777.59
6. Step 6: Final answer
   x = 860,369.29