Finding the Fourth Proportional to 58,474.37, 80,694.50 and 31,616.80

Step by Step Solution

1. Step 1: Write the proportion equation
   58,474.37 : 80,694.50 = 31,616.80 : x
2. Step 2: Convert to fraction form
   58,474.37/80,694.50 = 31,616.80/x
3. Step 3: Cross multiply
   58,474.37x = 80,694.50 × 31,616.80
4. Step 4: Simplify right side
   58,474.37x = 2,551,301,507.78
5. Step 5: Solve for x
   x = 2,551,301,507.78/58,474.37
6. Step 6: Final answer
   x = 43,631.11