Finding the Fourth Proportional to 2,920,945.62, 4,381,833.12 and 899,357.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,920,945.62 : 4,381,833.12 = 899,357.58 : x
2. Step 2: Convert to fraction form
   2,920,945.62/4,381,833.12 = 899,357.58/x
3. Step 3: Cross multiply
   2,920,945.62x = 4,381,833.12 × 899,357.58
4. Step 4: Simplify right side
   2,920,945.62x = 3,940,834,830,767.05
5. Step 5: Solve for x
   x = 3,940,834,830,767.05/2,920,945.62
6. Step 6: Final answer
   x = 1,349,164.05