Finding the Fourth Proportional to 9,893.74, 14,783.83 and 9,709.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,893.74 : 14,783.83 = 9,709.06 : x
2. Step 2: Convert to fraction form
   9,893.74/14,783.83 = 9,709.06/x
3. Step 3: Cross multiply
   9,893.74x = 14,783.83 × 9,709.06
4. Step 4: Simplify right side
   9,893.74x = 143,537,092.50
5. Step 5: Solve for x
   x = 143,537,092.50/9,893.74
6. Step 6: Final answer
   x = 14,507.87