Finding the Fourth Proportional to 111,820.07, 167,641.86 and 55,629.51

Step by Step Solution

1. Step 1: Write the proportion equation
   111,820.07 : 167,641.86 = 55,629.51 : x
2. Step 2: Convert to fraction form
   111,820.07/167,641.86 = 55,629.51/x
3. Step 3: Cross multiply
   111,820.07x = 167,641.86 × 55,629.51
4. Step 4: Simplify right side
   111,820.07x = 9,325,834,527.29
5. Step 5: Solve for x
   x = 9,325,834,527.29/111,820.07
6. Step 6: Final answer
   x = 83,400.36