Finding the Fourth Proportional to 72,151.41, 99,554.70 and 40,314.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,151.41 : 99,554.70 = 40,314.16 : x
2. Step 2: Convert to fraction form
   72,151.41/99,554.70 = 40,314.16/x
3. Step 3: Cross multiply
   72,151.41x = 99,554.70 × 40,314.16
4. Step 4: Simplify right side
   72,151.41x = 4,013,464,104.55
5. Step 5: Solve for x
   x = 4,013,464,104.55/72,151.41
6. Step 6: Final answer
   x = 55,625.58