Finding the Fourth Proportional to 111,938.60, 167,802.33 and 55,725.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,938.60 : 167,802.33 = 55,725.50 : x
2. Step 2: Convert to fraction form
   111,938.60/167,802.33 = 55,725.50/x
3. Step 3: Cross multiply
   111,938.60x = 167,802.33 × 55,725.50
4. Step 4: Simplify right side
   111,938.60x = 9,350,868,740.42
5. Step 5: Solve for x
   x = 9,350,868,740.42/111,938.60
6. Step 6: Final answer
   x = 83,535.69