Finding the Fourth Proportional to 2,817,985.92, 4,227,667.39 and 898,897.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,817,985.92 : 4,227,667.39 = 898,897.47 : x
2. Step 2: Convert to fraction form
   2,817,985.92/4,227,667.39 = 898,897.47/x
3. Step 3: Cross multiply
   2,817,985.92x = 4,227,667.39 × 898,897.47
4. Step 4: Simplify right side
   2,817,985.92x = 3,800,239,520,872.50
5. Step 5: Solve for x
   x = 3,800,239,520,872.50/2,817,985.92
6. Step 6: Final answer
   x = 1,348,565.83