Finding the Fourth Proportional to 58,139.84, 80,230.56 and 32,990.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,139.84 : 80,230.56 = 32,990.72 : x
2. Step 2: Convert to fraction form
   58,139.84/80,230.56 = 32,990.72/x
3. Step 3: Cross multiply
   58,139.84x = 80,230.56 × 32,990.72
4. Step 4: Simplify right side
   58,139.84x = 2,646,863,940.40
5. Step 5: Solve for x
   x = 2,646,863,940.40/58,139.84
6. Step 6: Final answer
   x = 45,525.82