Finding the Fourth Proportional to 101,934.89, 140,674.82 and 56,613.07

Step by Step Solution

1. Step 1: Write the proportion equation
   101,934.89 : 140,674.82 = 56,613.07 : x
2. Step 2: Convert to fraction form
   101,934.89/140,674.82 = 56,613.07/x
3. Step 3: Cross multiply
   101,934.89x = 140,674.82 × 56,613.07
4. Step 4: Simplify right side
   101,934.89x = 7,964,033,431.90
5. Step 5: Solve for x
   x = 7,964,033,431.90/101,934.89
6. Step 6: Final answer
   x = 78,128.63