Finding the Fourth Proportional to 9,854.73, 14,774.40 and 4,921.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,854.73 : 14,774.40 = 4,921.83 : x
2. Step 2: Convert to fraction form
   9,854.73/14,774.40 = 4,921.83/x
3. Step 3: Cross multiply
   9,854.73x = 14,774.40 × 4,921.83
4. Step 4: Simplify right side
   9,854.73x = 72,717,085.15
5. Step 5: Solve for x
   x = 72,717,085.15/9,854.73
6. Step 6: Final answer
   x = 7,378.90