Finding the Fourth Proportional to 47,114.78, 70,681.77 and 42,409.56

Step by Step Solution

1. Step 1: Write the proportion equation
   47,114.78 : 70,681.77 = 42,409.56 : x
2. Step 2: Convert to fraction form
   47,114.78/70,681.77 = 42,409.56/x
3. Step 3: Cross multiply
   47,114.78x = 70,681.77 × 42,409.56
4. Step 4: Simplify right side
   47,114.78x = 2,997,582,765.72
5. Step 5: Solve for x
   x = 2,997,582,765.72/47,114.78
6. Step 6: Final answer
   x = 63,622.98