Finding the Fourth Proportional to 13,173.89, 19,764.07 and 5,276.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,173.89 : 19,764.07 = 5,276.93 : x
2. Step 2: Convert to fraction form
   13,173.89/19,764.07 = 5,276.93/x
3. Step 3: Cross multiply
   13,173.89x = 19,764.07 × 5,276.93
4. Step 4: Simplify right side
   13,173.89x = 104,293,501.89
5. Step 5: Solve for x
   x = 104,293,501.89/13,173.89
6. Step 6: Final answer
   x = 7,916.69