Finding the Fourth Proportional to 47,948.52, 71,556.63 and 42,699.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,948.52 : 71,556.63 = 42,699.72 : x
2. Step 2: Convert to fraction form
   47,948.52/71,556.63 = 42,699.72/x
3. Step 3: Cross multiply
   47,948.52x = 71,556.63 × 42,699.72
4. Step 4: Simplify right side
   47,948.52x = 3,055,448,065.14
5. Step 5: Solve for x
   x = 3,055,448,065.14/47,948.52
6. Step 6: Final answer
   x = 63,723.51