Finding the Fourth Proportional to 13,925.72, 20,888.56 and 5,038.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,925.72 : 20,888.56 = 5,038.98 : x
2. Step 2: Convert to fraction form
   13,925.72/20,888.56 = 5,038.98/x
3. Step 3: Cross multiply
   13,925.72x = 20,888.56 × 5,038.98
4. Step 4: Simplify right side
   13,925.72x = 105,257,036.07
5. Step 5: Solve for x
   x = 105,257,036.07/13,925.72
6. Step 6: Final answer
   x = 7,558.46