Finding the Fourth Proportional to 152,348.32, 228,609.94 and 118,974.72

Step by Step Solution

1. Step 1: Write the proportion equation
   152,348.32 : 228,609.94 = 118,974.72 : x
2. Step 2: Convert to fraction form
   152,348.32/228,609.94 = 118,974.72/x
3. Step 3: Cross multiply
   152,348.32x = 228,609.94 × 118,974.72
4. Step 4: Simplify right side
   152,348.32x = 27,198,803,600.72
5. Step 5: Solve for x
   x = 27,198,803,600.72/152,348.32
6. Step 6: Final answer
   x = 178,530.38