Finding the Fourth Proportional to 81,820.47, 112,911.54 and 46,009.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,820.47 : 112,911.54 = 46,009.72 : x
2. Step 2: Convert to fraction form
   81,820.47/112,911.54 = 46,009.72/x
3. Step 3: Cross multiply
   81,820.47x = 112,911.54 × 46,009.72
4. Step 4: Simplify right side
   81,820.47x = 5,195,028,057.89
5. Step 5: Solve for x
   x = 5,195,028,057.89/81,820.47
6. Step 6: Final answer
   x = 63,493.01