Finding the Fourth Proportional to 152,557.01, 228,825.25 and 52,718.57

Step by Step Solution

1. Step 1: Write the proportion equation
   152,557.01 : 228,825.25 = 52,718.57 : x
2. Step 2: Convert to fraction form
   152,557.01/228,825.25 = 52,718.57/x
3. Step 3: Cross multiply
   152,557.01x = 228,825.25 × 52,718.57
4. Step 4: Simplify right side
   152,557.01x = 12,063,339,959.89
5. Step 5: Solve for x
   x = 12,063,339,959.89/152,557.01
6. Step 6: Final answer
   x = 79,074.31