Finding the Fourth Proportional to 38,784.18, 58,173.02 and 15,404.34

Step by Step Solution

1. Step 1: Write the proportion equation
   38,784.18 : 58,173.02 = 15,404.34 : x
2. Step 2: Convert to fraction form
   38,784.18/58,173.02 = 15,404.34/x
3. Step 3: Cross multiply
   38,784.18x = 58,173.02 × 15,404.34
4. Step 4: Simplify right side
   38,784.18x = 896,116,978.91
5. Step 5: Solve for x
   x = 896,116,978.91/38,784.18
6. Step 6: Final answer
   x = 23,105.22