Finding the Fourth Proportional to 48,388.89, 72,585.47 and 15,109.59

Step by Step Solution

1. Step 1: Write the proportion equation
   48,388.89 : 72,585.47 = 15,109.59 : x
2. Step 2: Convert to fraction form
   48,388.89/72,585.47 = 15,109.59/x
3. Step 3: Cross multiply
   48,388.89x = 72,585.47 × 15,109.59
4. Step 4: Simplify right side
   48,388.89x = 1,096,736,508.34
5. Step 5: Solve for x
   x = 1,096,736,508.34/48,388.89
6. Step 6: Final answer
   x = 22,665.05