Finding the Fourth Proportional to 52,732.21, 72,791.58 and 31,507.51

Step by Step Solution

1. Step 1: Write the proportion equation
   52,732.21 : 72,791.58 = 31,507.51 : x
2. Step 2: Convert to fraction form
   52,732.21/72,791.58 = 31,507.51/x
3. Step 3: Cross multiply
   52,732.21x = 72,791.58 × 31,507.51
4. Step 4: Simplify right side
   52,732.21x = 2,293,481,434.77
5. Step 5: Solve for x
   x = 2,293,481,434.77/52,732.21
6. Step 6: Final answer
   x = 43,492.99