Finding the Fourth Proportional to 15,692.00, 21,654.86 and 9,404.37

Step by Step Solution

1. Step 1: Write the proportion equation
   15,692.00 : 21,654.86 = 9,404.37 : x
2. Step 2: Convert to fraction form
   15,692.00/21,654.86 = 9,404.37/x
3. Step 3: Cross multiply
   15,692.00x = 21,654.86 × 9,404.37
4. Step 4: Simplify right side
   15,692.00x = 203,650,268.72
5. Step 5: Solve for x
   x = 203,650,268.72/15,692.00
6. Step 6: Final answer
   x = 12,977.97