Finding the Fourth Proportional to 52,146.72, 71,961.12 and 29,790.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,146.72 : 71,961.12 = 29,790.72 : x
2. Step 2: Convert to fraction form
   52,146.72/71,961.12 = 29,790.72/x
3. Step 3: Cross multiply
   52,146.72x = 71,961.12 × 29,790.72
4. Step 4: Simplify right side
   52,146.72x = 2,143,773,576.81
5. Step 5: Solve for x
   x = 2,143,773,576.81/52,146.72
6. Step 6: Final answer
   x = 41,110.42