Finding the Fourth Proportional to 146,776.67, 220,095.59 and 56,861.49

Step by Step Solution

1. Step 1: Write the proportion equation
   146,776.67 : 220,095.59 = 56,861.49 : x
2. Step 2: Convert to fraction form
   146,776.67/220,095.59 = 56,861.49/x
3. Step 3: Cross multiply
   146,776.67x = 220,095.59 × 56,861.49
4. Step 4: Simplify right side
   146,776.67x = 12,514,963,189.83
5. Step 5: Solve for x
   x = 12,514,963,189.83/146,776.67
6. Step 6: Final answer
   x = 85,265.34