Finding the Fourth Proportional to 111,686.96, 167,371.40 and 55,471.98

Step by Step Solution

1. Step 1: Write the proportion equation
   111,686.96 : 167,371.40 = 55,471.98 : x
2. Step 2: Convert to fraction form
   111,686.96/167,371.40 = 55,471.98/x
3. Step 3: Cross multiply
   111,686.96x = 167,371.40 × 55,471.98
4. Step 4: Simplify right side
   111,686.96x = 9,284,422,953.37
5. Step 5: Solve for x
   x = 9,284,422,953.37/111,686.96
6. Step 6: Final answer
   x = 83,128.98