Finding the Fourth Proportional to 59,400.66, 89,114.04 and 19,956.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59,400.66 : 89,114.04 = 19,956.72 : x
2. Step 2: Convert to fraction form
   59,400.66/89,114.04 = 19,956.72/x
3. Step 3: Cross multiply
   59,400.66x = 89,114.04 × 19,956.72
4. Step 4: Simplify right side
   59,400.66x = 1,778,423,944.35
5. Step 5: Solve for x
   x = 1,778,423,944.35/59,400.66
6. Step 6: Final answer
   x = 29,939.46