Finding the Fourth Proportional to 108,564.76, 162,606.52 and 83,419.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,564.76 : 162,606.52 = 83,419.72 : x
2. Step 2: Convert to fraction form
   108,564.76/162,606.52 = 83,419.72/x
3. Step 3: Cross multiply
   108,564.76x = 162,606.52 × 83,419.72
4. Step 4: Simplify right side
   108,564.76x = 13,564,590,368.57
5. Step 5: Solve for x
   x = 13,564,590,368.57/108,564.76
6. Step 6: Final answer
   x = 124,944.69