Finding the Fourth Proportional to 13,274.84, 19,905.54 and 7,429.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,274.84 : 19,905.54 = 7,429.88 : x
2. Step 2: Convert to fraction form
   13,274.84/19,905.54 = 7,429.88/x
3. Step 3: Cross multiply
   13,274.84x = 19,905.54 × 7,429.88
4. Step 4: Simplify right side
   13,274.84x = 147,895,773.54
5. Step 5: Solve for x
   x = 147,895,773.54/13,274.84
6. Step 6: Final answer
   x = 11,141.06