Finding the Fourth Proportional to 81,335.34, 112,221.47 and 46,871.63

Step by Step Solution

1. Step 1: Write the proportion equation
   81,335.34 : 112,221.47 = 46,871.63 : x
2. Step 2: Convert to fraction form
   81,335.34/112,221.47 = 46,871.63/x
3. Step 3: Cross multiply
   81,335.34x = 112,221.47 × 46,871.63
4. Step 4: Simplify right side
   81,335.34x = 5,260,003,196.80
5. Step 5: Solve for x
   x = 5,260,003,196.80/81,335.34
6. Step 6: Final answer
   x = 64,670.57