Finding the Fourth Proportional to 152,017.42, 228,030.76 and 52,176.18

Step by Step Solution

1. Step 1: Write the proportion equation
   152,017.42 : 228,030.76 = 52,176.18 : x
2. Step 2: Convert to fraction form
   152,017.42/228,030.76 = 52,176.18/x
3. Step 3: Cross multiply
   152,017.42x = 228,030.76 × 52,176.18
4. Step 4: Simplify right side
   152,017.42x = 11,897,773,979.30
5. Step 5: Solve for x
   x = 11,897,773,979.30/152,017.42
6. Step 6: Final answer
   x = 78,265.86