Finding the Fourth Proportional to 2,854,538.70, 4,282,002.45 and 909,113.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,854,538.70 : 4,282,002.45 = 909,113.10 : x
2. Step 2: Convert to fraction form
   2,854,538.70/4,282,002.45 = 909,113.10/x
3. Step 3: Cross multiply
   2,854,538.70x = 4,282,002.45 × 909,113.10
4. Step 4: Simplify right side
   2,854,538.70x = 3,892,824,521,527.10
5. Step 5: Solve for x
   x = 3,892,824,521,527.10/2,854,538.70
6. Step 6: Final answer
   x = 1,363,731.56