Finding the Fourth Proportional to 112,062.81, 168,106.52 and 55,917.05

Step by Step Solution

1. Step 1: Write the proportion equation
   112,062.81 : 168,106.52 = 55,917.05 : x
2. Step 2: Convert to fraction form
   112,062.81/168,106.52 = 55,917.05/x
3. Step 3: Cross multiply
   112,062.81x = 168,106.52 × 55,917.05
4. Step 4: Simplify right side
   112,062.81x = 9,400,020,684.17
5. Step 5: Solve for x
   x = 9,400,020,684.17/112,062.81
6. Step 6: Final answer
   x = 83,881.71