Finding the Fourth Proportional to 53,989.50, 74,505.51 and 31,633.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,989.50 : 74,505.51 = 31,633.50 : x
2. Step 2: Convert to fraction form
   53,989.50/74,505.51 = 31,633.50/x
3. Step 3: Cross multiply
   53,989.50x = 74,505.51 × 31,633.50
4. Step 4: Simplify right side
   53,989.50x = 2,356,870,050.59
5. Step 5: Solve for x
   x = 2,356,870,050.59/53,989.50
6. Step 6: Final answer
   x = 43,654.23