Finding the Fourth Proportional to 101,597.50, 140,204.55 and 56,885.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,597.50 : 140,204.55 = 56,885.50 : x
2. Step 2: Convert to fraction form
   101,597.50/140,204.55 = 56,885.50/x
3. Step 3: Cross multiply
   101,597.50x = 140,204.55 × 56,885.50
4. Step 4: Simplify right side
   101,597.50x = 7,975,605,929.03
5. Step 5: Solve for x
   x = 7,975,605,929.03/101,597.50
6. Step 6: Final answer
   x = 78,501.99