Finding the Fourth Proportional to 38,889.58, 58,320.06 and 30,585.82

Step by Step Solution

1. Step 1: Write the proportion equation
   38,889.58 : 58,320.06 = 30,585.82 : x
2. Step 2: Convert to fraction form
   38,889.58/58,320.06 = 30,585.82/x
3. Step 3: Cross multiply
   38,889.58x = 58,320.06 × 30,585.82
4. Step 4: Simplify right side
   38,889.58x = 1,783,766,857.55
5. Step 5: Solve for x
   x = 1,783,766,857.55/38,889.58
6. Step 6: Final answer
   x = 45,867.48