Finding the Fourth Proportional to 81,576.10, 112,536.81 and 52,904.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,576.10 : 112,536.81 = 52,904.83 : x
2. Step 2: Convert to fraction form
   81,576.10/112,536.81 = 52,904.83/x
3. Step 3: Cross multiply
   81,576.10x = 112,536.81 × 52,904.83
4. Step 4: Simplify right side
   81,576.10x = 5,953,740,801.79
5. Step 5: Solve for x
   x = 5,953,740,801.79/81,576.10
6. Step 6: Final answer
   x = 72,983.89