Finding the Fourth Proportional to 1,112,089.02, 1,667,806.52 and 472,387.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,089.02 : 1,667,806.52 = 472,387.67 : x
2. Step 2: Convert to fraction form
   1,112,089.02/1,667,806.52 = 472,387.67/x
3. Step 3: Cross multiply
   1,112,089.02x = 1,667,806.52 × 472,387.67
4. Step 4: Simplify right side
   1,112,089.02x = 787,851,235,993.61
5. Step 5: Solve for x
   x = 787,851,235,993.61/1,112,089.02
6. Step 6: Final answer
   x = 708,442.60