Finding the Fourth Proportional to 52,796.86, 72,859.67 and 31,576.13

Step by Step Solution

1. Step 1: Write the proportion equation
   52,796.86 : 72,859.67 = 31,576.13 : x
2. Step 2: Convert to fraction form
   52,796.86/72,859.67 = 31,576.13/x
3. Step 3: Cross multiply
   52,796.86x = 72,859.67 × 31,576.13
4. Step 4: Simplify right side
   52,796.86x = 2,300,625,889.50
5. Step 5: Solve for x
   x = 2,300,625,889.50/52,796.86
6. Step 6: Final answer
   x = 43,575.05