Finding the Fourth Proportional to 1,114,440.87, 1,538,091.00 and 624,443.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114,440.87 : 1,538,091.00 = 624,443.54 : x
2. Step 2: Convert to fraction form
   1,114,440.87/1,538,091.00 = 624,443.54/x
3. Step 3: Cross multiply
   1,114,440.87x = 1,538,091.00 × 624,443.54
4. Step 4: Simplify right side
   1,114,440.87x = 960,450,978,069.47
5. Step 5: Solve for x
   x = 960,450,978,069.47/1,114,440.87
6. Step 6: Final answer
   x = 861,823.18