Finding the Fourth Proportional to 81,461.48, 112,412.21 and 47,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,461.48 : 112,412.21 = 47,475.50 : x
2. Step 2: Convert to fraction form
   81,461.48/112,412.21 = 47,475.50/x
3. Step 3: Cross multiply
   81,461.48x = 112,412.21 × 47,475.50
4. Step 4: Simplify right side
   81,461.48x = 5,336,825,076.42
5. Step 5: Solve for x
   x = 5,336,825,076.42/81,461.48
6. Step 6: Final answer
   x = 65,513.48