Finding the Fourth Proportional to 2,886,166.50, 3,982,638.60 and 1,953,978.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886,166.50 : 3,982,638.60 = 1,953,978.06 : x
2. Step 2: Convert to fraction form
   2,886,166.50/3,982,638.60 = 1,953,978.06/x
3. Step 3: Cross multiply
   2,886,166.50x = 3,982,638.60 × 1,953,978.06
4. Step 4: Simplify right side
   2,886,166.50x = 7,781,988,445,309.12
5. Step 5: Solve for x
   x = 7,781,988,445,309.12/2,886,166.50
6. Step 6: Final answer
   x = 2,696,306.14