Finding the Fourth Proportional to 53,766.48, 74,203.54 and 31,105.06

Step by Step Solution

1. Step 1: Write the proportion equation
   53,766.48 : 74,203.54 = 31,105.06 : x
2. Step 2: Convert to fraction form
   53,766.48/74,203.54 = 31,105.06/x
3. Step 3: Cross multiply
   53,766.48x = 74,203.54 × 31,105.06
4. Step 4: Simplify right side
   53,766.48x = 2,308,105,893.00
5. Step 5: Solve for x
   x = 2,308,105,893.00/53,766.48
6. Step 6: Final answer
   x = 42,928.34