Finding the Fourth Proportional to 47,658.68, 71,443.82 and 18,056.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,658.68 : 71,443.82 = 18,056.72 : x
2. Step 2: Convert to fraction form
   47,658.68/71,443.82 = 18,056.72/x
3. Step 3: Cross multiply
   47,658.68x = 71,443.82 × 18,056.72
4. Step 4: Simplify right side
   47,658.68x = 1,290,041,277.22
5. Step 5: Solve for x
   x = 1,290,041,277.22/47,658.68
6. Step 6: Final answer
   x = 27,068.34