Finding the Fourth Proportional to 9,870.30, 14,804.88 and 4,026.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.30 : 14,804.88 = 4,026.78 : x
2. Step 2: Convert to fraction form
   9,870.30/14,804.88 = 4,026.78/x
3. Step 3: Cross multiply
   9,870.30x = 14,804.88 × 4,026.78
4. Step 4: Simplify right side
   9,870.30x = 59,615,994.69
5. Step 5: Solve for x
   x = 59,615,994.69/9,870.30
6. Step 6: Final answer
   x = 6,039.94