Finding the Fourth Proportional to 12,789.37, 19,181.01 and 4,888.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,789.37 : 19,181.01 = 4,888.98 : x
2. Step 2: Convert to fraction form
   12,789.37/19,181.01 = 4,888.98/x
3. Step 3: Cross multiply
   12,789.37x = 19,181.01 × 4,888.98
4. Step 4: Simplify right side
   12,789.37x = 93,775,574.27
5. Step 5: Solve for x
   x = 93,775,574.27/12,789.37
6. Step 6: Final answer
   x = 7,332.31