Finding the Fourth Proportional to 31,445.62, 47,176.59 and 9,258.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,445.62 : 47,176.59 = 9,258.27 : x
2. Step 2: Convert to fraction form
   31,445.62/47,176.59 = 9,258.27/x
3. Step 3: Cross multiply
   31,445.62x = 47,176.59 × 9,258.27
4. Step 4: Simplify right side
   31,445.62x = 436,773,465.71
5. Step 5: Solve for x
   x = 436,773,465.71/31,445.62
6. Step 6: Final answer
   x = 13,889.80