Finding the Fourth Proportional to 9,780.01, 14,670.47 and 2,854.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,780.01 : 14,670.47 = 2,854.51 : x
2. Step 2: Convert to fraction form
   9,780.01/14,670.47 = 2,854.51/x
3. Step 3: Cross multiply
   9,780.01x = 14,670.47 × 2,854.51
4. Step 4: Simplify right side
   9,780.01x = 41,877,003.32
5. Step 5: Solve for x
   x = 41,877,003.32/9,780.01
6. Step 6: Final answer
   x = 4,281.90