Finding the Fourth Proportional to 152,271.57, 228,436.52 and 47,072.01

Step by Step Solution

1. Step 1: Write the proportion equation
   152,271.57 : 228,436.52 = 47,072.01 : x
2. Step 2: Convert to fraction form
   152,271.57/228,436.52 = 47,072.01/x
3. Step 3: Cross multiply
   152,271.57x = 228,436.52 × 47,072.01
4. Step 4: Simplify right side
   152,271.57x = 10,752,965,918.45
5. Step 5: Solve for x
   x = 10,752,965,918.45/152,271.57
6. Step 6: Final answer
   x = 70,617.03