Finding the Fourth Proportional to 152,589.30, 228,881.52 and 47,408.37

Step by Step Solution

1. Step 1: Write the proportion equation
   152,589.30 : 228,881.52 = 47,408.37 : x
2. Step 2: Convert to fraction form
   152,589.30/228,881.52 = 47,408.37/x
3. Step 3: Cross multiply
   152,589.30x = 228,881.52 × 47,408.37
4. Step 4: Simplify right side
   152,589.30x = 10,850,899,786.32
5. Step 5: Solve for x
   x = 10,850,899,786.32/152,589.30
6. Step 6: Final answer
   x = 71,111.80