Finding the Fourth Proportional to 2,096,961.31, 3,146,636.64 and 817,402.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096,961.31 : 3,146,636.64 = 817,402.30 : x
2. Step 2: Convert to fraction form
   2,096,961.31/3,146,636.64 = 817,402.30/x
3. Step 3: Cross multiply
   2,096,961.31x = 3,146,636.64 × 817,402.30
4. Step 4: Simplify right side
   2,096,961.31x = 2,572,068,026,800.27
5. Step 5: Solve for x
   x = 2,572,068,026,800.27/2,096,961.31
6. Step 6: Final answer
   x = 1,226,569.14