Finding the Fourth Proportional to 152,616.83, 228,741.67 and 56,477.32

Step by Step Solution

1. Step 1: Write the proportion equation
   152,616.83 : 228,741.67 = 56,477.32 : x
2. Step 2: Convert to fraction form
   152,616.83/228,741.67 = 56,477.32/x
3. Step 3: Cross multiply
   152,616.83x = 228,741.67 × 56,477.32
4. Step 4: Simplify right side
   152,616.83x = 12,918,715,992.67
5. Step 5: Solve for x
   x = 12,918,715,992.67/152,616.83
6. Step 6: Final answer
   x = 84,648.05