Finding the Fourth Proportional to 101,353, 139,875.78 and 56,649.64

Step by Step Solution

1. Step 1: Write the proportion equation
   101,353 : 139,875.78 = 56,649.64 : x
2. Step 2: Convert to fraction form
   101,353/139,875.78 = 56,649.64/x
3. Step 3: Cross multiply
   101,353x = 139,875.78 × 56,649.64
4. Step 4: Simplify right side
   101,353x = 7,923,912,581.72
5. Step 5: Solve for x
   x = 7,923,912,581.72/101,353
6. Step 6: Final answer
   x = 78,181.33