Finding the Fourth Proportional to 94,008.21, 140,942.18 and 56,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   94,008.21 : 140,942.18 = 56,559.50 : x
2. Step 2: Convert to fraction form
   94,008.21/140,942.18 = 56,559.50/x
3. Step 3: Cross multiply
   94,008.21x = 140,942.18 × 56,559.50
4. Step 4: Simplify right side
   94,008.21x = 7,971,619,229.71
5. Step 5: Solve for x
   x = 7,971,619,229.71/94,008.21
6. Step 6: Final answer
   x = 84,797.05