Finding the Fourth Proportional to 34,688.72, 47,870.56 and 18,773.18

Step by Step Solution

1. Step 1: Write the proportion equation
   34,688.72 : 47,870.56 = 18,773.18 : x
2. Step 2: Convert to fraction form
   34,688.72/47,870.56 = 18,773.18/x
3. Step 3: Cross multiply
   34,688.72x = 47,870.56 × 18,773.18
4. Step 4: Simplify right side
   34,688.72x = 898,682,639.58
5. Step 5: Solve for x
   x = 898,682,639.58/34,688.72
6. Step 6: Final answer
   x = 25,907.06