Finding the Fourth Proportional to 52,594.19, 72,579.92 and 31,091.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,594.19 : 72,579.92 = 31,091.69 : x
2. Step 2: Convert to fraction form
   52,594.19/72,579.92 = 31,091.69/x
3. Step 3: Cross multiply
   52,594.19x = 72,579.92 × 31,091.69
4. Step 4: Simplify right side
   52,594.19x = 2,256,632,372.86
5. Step 5: Solve for x
   x = 2,256,632,372.86/52,594.19
6. Step 6: Final answer
   x = 42,906.50