Finding the Fourth Proportional to 152,137.98, 227,908.89 and 72,019.26

Step by Step Solution

1. Step 1: Write the proportion equation
   152,137.98 : 227,908.89 = 72,019.26 : x
2. Step 2: Convert to fraction form
   152,137.98/227,908.89 = 72,019.26/x
3. Step 3: Cross multiply
   152,137.98x = 227,908.89 × 72,019.26
4. Step 4: Simplify right side
   152,137.98x = 16,413,829,605.22
5. Step 5: Solve for x
   x = 16,413,829,605.22/152,137.98
6. Step 6: Final answer
   x = 107,887.78