Finding the Fourth Proportional to 103,707.98, 155,645.02 and 47,574.52

Step by Step Solution

1. Step 1: Write the proportion equation
   103,707.98 : 155,645.02 = 47,574.52 : x
2. Step 2: Convert to fraction form
   103,707.98/155,645.02 = 47,574.52/x
3. Step 3: Cross multiply
   103,707.98x = 155,645.02 × 47,574.52
4. Step 4: Simplify right side
   103,707.98x = 7,404,737,116.89
5. Step 5: Solve for x
   x = 7,404,737,116.89/103,707.98
6. Step 6: Final answer
   x = 71,399.88