Finding the Fourth Proportional to 101,556.62, 140,146.42 and 56,233.63

Step by Step Solution

1. Step 1: Write the proportion equation
   101,556.62 : 140,146.42 = 56,233.63 : x
2. Step 2: Convert to fraction form
   101,556.62/140,146.42 = 56,233.63/x
3. Step 3: Cross multiply
   101,556.62x = 140,146.42 × 56,233.63
4. Step 4: Simplify right side
   101,556.62x = 7,880,941,227.37
5. Step 5: Solve for x
   x = 7,880,941,227.37/101,556.62
6. Step 6: Final answer
   x = 77,601.46