Finding the Fourth Proportional to 56,514.42, 84,712.59 and 19,061.55

Step by Step Solution

1. Step 1: Write the proportion equation
   56,514.42 : 84,712.59 = 19,061.55 : x
2. Step 2: Convert to fraction form
   56,514.42/84,712.59 = 19,061.55/x
3. Step 3: Cross multiply
   56,514.42x = 84,712.59 × 19,061.55
4. Step 4: Simplify right side
   56,514.42x = 1,614,753,269.91
5. Step 5: Solve for x
   x = 1,614,753,269.91/56,514.42
6. Step 6: Final answer
   x = 28,572.41