Finding the Fourth Proportional to 28,592.00, 42,902.63 and 13,616.06

Step by Step Solution

1. Step 1: Write the proportion equation
   28,592.00 : 42,902.63 = 13,616.06 : x
2. Step 2: Convert to fraction form
   28,592.00/42,902.63 = 13,616.06/x
3. Step 3: Cross multiply
   28,592.00x = 42,902.63 × 13,616.06
4. Step 4: Simplify right side
   28,592.00x = 584,164,501.64
5. Step 5: Solve for x
   x = 584,164,501.64/28,592.00
6. Step 6: Final answer
   x = 20,431.05