Finding the Fourth Proportional to 13,051.37, 19,579.71 and 5,554.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,051.37 : 19,579.71 = 5,554.91 : x
2. Step 2: Convert to fraction form
   13,051.37/19,579.71 = 5,554.91/x
3. Step 3: Cross multiply
   13,051.37x = 19,579.71 × 5,554.91
4. Step 4: Simplify right side
   13,051.37x = 108,763,526.88
5. Step 5: Solve for x
   x = 108,763,526.88/13,051.37
6. Step 6: Final answer
   x = 8,333.50