Finding the Fourth Proportional to 2,920,807.93, 4,381,626.52 and 899,219.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,920,807.93 : 4,381,626.52 = 899,219.86 : x
2. Step 2: Convert to fraction form
   2,920,807.93/4,381,626.52 = 899,219.86/x
3. Step 3: Cross multiply
   2,920,807.93x = 4,381,626.52 × 899,219.86
4. Step 4: Simplify right side
   2,920,807.93x = 3,940,045,585,886.69
5. Step 5: Solve for x
   x = 3,940,045,585,886.69/2,920,807.93
6. Step 6: Final answer
   x = 1,348,957.44