Finding the Fourth Proportional to 101,518.50, 140,094.67 and 56,196.57

Step by Step Solution

1. Step 1: Write the proportion equation
   101,518.50 : 140,094.67 = 56,196.57 : x
2. Step 2: Convert to fraction form
   101,518.50/140,094.67 = 56,196.57/x
3. Step 3: Cross multiply
   101,518.50x = 140,094.67 × 56,196.57
4. Step 4: Simplify right side
   101,518.50x = 7,872,839,929.28
5. Step 5: Solve for x
   x = 7,872,839,929.28/101,518.50
6. Step 6: Final answer
   x = 77,550.79