Finding the Fourth Proportional to 47,118.76, 70,680.56 and 12,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,118.76 : 70,680.56 = 12,058.72 : x
2. Step 2: Convert to fraction form
   47,118.76/70,680.56 = 12,058.72/x
3. Step 3: Cross multiply
   47,118.76x = 70,680.56 × 12,058.72
4. Step 4: Simplify right side
   47,118.76x = 852,317,082.48
5. Step 5: Solve for x
   x = 852,317,082.48/47,118.76
6. Step 6: Final answer
   x = 18,088.70