Finding the Fourth Proportional to 140,761.72, 211,143.98 and 35,580.72

Step by Step Solution

1. Step 1: Write the proportion equation
   140,761.72 : 211,143.98 = 35,580.72 : x
2. Step 2: Convert to fraction form
   140,761.72/211,143.98 = 35,580.72/x
3. Step 3: Cross multiply
   140,761.72x = 211,143.98 × 35,580.72
4. Step 4: Simplify right side
   140,761.72x = 7,512,654,832.07
5. Step 5: Solve for x
   x = 7,512,654,832.07/140,761.72
6. Step 6: Final answer
   x = 53,371.43