Finding the Fourth Proportional to 13,290.89, 19,935.72 and 4,967.73

Step by Step Solution

1. Step 1: Write the proportion equation
   13,290.89 : 19,935.72 = 4,967.73 : x
2. Step 2: Convert to fraction form
   13,290.89/19,935.72 = 4,967.73/x
3. Step 3: Cross multiply
   13,290.89x = 19,935.72 × 4,967.73
4. Step 4: Simplify right side
   13,290.89x = 99,035,274.32
5. Step 5: Solve for x
   x = 99,035,274.32/13,290.89
6. Step 6: Final answer
   x = 7,451.37