Finding the Fourth Proportional to 58,846.86, 81,209.62 and 31,989.42

Step by Step Solution

1. Step 1: Write the proportion equation
   58,846.86 : 81,209.62 = 31,989.42 : x
2. Step 2: Convert to fraction form
   58,846.86/81,209.62 = 31,989.42/x
3. Step 3: Cross multiply
   58,846.86x = 81,209.62 × 31,989.42
4. Step 4: Simplify right side
   58,846.86x = 2,597,848,642.22
5. Step 5: Solve for x
   x = 2,597,848,642.22/58,846.86
6. Step 6: Final answer
   x = 44,145.92