Finding the Fourth Proportional to 43,078.91, 59,432.00 and 31,775.56

Step by Step Solution

1. Step 1: Write the proportion equation
   43,078.91 : 59,432.00 = 31,775.56 : x
2. Step 2: Convert to fraction form
   43,078.91/59,432.00 = 31,775.56/x
3. Step 3: Cross multiply
   43,078.91x = 59,432.00 × 31,775.56
4. Step 4: Simplify right side
   43,078.91x = 1,888,484,774.46
5. Step 5: Solve for x
   x = 1,888,484,774.46/43,078.91
6. Step 6: Final answer
   x = 43,837.81