Finding the Fourth Proportional to 71,054.07, 98,054.52 and 39,222.89

Step by Step Solution

1. Step 1: Write the proportion equation
   71,054.07 : 98,054.52 = 39,222.89 : x
2. Step 2: Convert to fraction form
   71,054.07/98,054.52 = 39,222.89/x
3. Step 3: Cross multiply
   71,054.07x = 98,054.52 × 39,222.89
4. Step 4: Simplify right side
   71,054.07x = 3,845,981,382.31
5. Step 5: Solve for x
   x = 3,845,981,382.31/71,054.07
6. Step 6: Final answer
   x = 54,127.53