Finding the Fourth Proportional to 94.50, 141.57 and 56.00

Step by Step Solution

1. Step 1: Write the proportion equation
   94.50 : 141.57 = 56.00 : x
2. Step 2: Convert to fraction form
   94.50/141.57 = 56.00/x
3. Step 3: Cross multiply
   94.50x = 141.57 × 56.00
4. Step 4: Simplify right side
   94.50x = 7,927.21
5. Step 5: Solve for x
   x = 7,927.21/94.50
6. Step 6: Final answer
   x = 83.89