Finding the Fourth Proportional to 152,647.04, 228,991.41 and 52,780.42

Step by Step Solution

1. Step 1: Write the proportion equation
   152,647.04 : 228,991.41 = 52,780.42 : x
2. Step 2: Convert to fraction form
   152,647.04/228,991.41 = 52,780.42/x
3. Step 3: Cross multiply
   152,647.04x = 228,991.41 × 52,780.42
4. Step 4: Simplify right side
   152,647.04x = 12,086,262,796.19
5. Step 5: Solve for x
   x = 12,086,262,796.19/152,647.04
6. Step 6: Final answer
   x = 79,177.84