Finding the Fourth Proportional to 53,648.46, 80,111.34 and 43,806.96

Step by Step Solution

1. Step 1: Write the proportion equation
   53,648.46 : 80,111.34 = 43,806.96 : x
2. Step 2: Convert to fraction form
   53,648.46/80,111.34 = 43,806.96/x
3. Step 3: Cross multiply
   53,648.46x = 80,111.34 × 43,806.96
4. Step 4: Simplify right side
   53,648.46x = 3,509,434,266.93
5. Step 5: Solve for x
   x = 3,509,434,266.93/53,648.46
6. Step 6: Final answer
   x = 65,415.38