Finding the Fourth Proportional to 152,818.12, 229,227.27 and 52,978.33

Step by Step Solution

1. Step 1: Write the proportion equation
   152,818.12 : 229,227.27 = 52,978.33 : x
2. Step 2: Convert to fraction form
   152,818.12/229,227.27 = 52,978.33/x
3. Step 3: Cross multiply
   152,818.12x = 229,227.27 × 52,978.33
4. Step 4: Simplify right side
   152,818.12x = 12,144,077,955.06
5. Step 5: Solve for x
   x = 12,144,077,955.06/152,818.12
6. Step 6: Final answer
   x = 79,467.53