Finding the Fourth Proportional to 143,147.55, 214,704.91 and 37,974.72

Step by Step Solution

1. Step 1: Write the proportion equation
   143,147.55 : 214,704.91 = 37,974.72 : x
2. Step 2: Convert to fraction form
   143,147.55/214,704.91 = 37,974.72/x
3. Step 3: Cross multiply
   143,147.55x = 214,704.91 × 37,974.72
4. Step 4: Simplify right side
   143,147.55x = 8,153,358,839.88
5. Step 5: Solve for x
   x = 8,153,358,839.88/143,147.55
6. Step 6: Final answer
   x = 56,957.73