Finding the Fourth Proportional to 156,097.56, 215,268.41 and 103,616.69

Step by Step Solution

1. Step 1: Write the proportion equation
   156,097.56 : 215,268.41 = 103,616.69 : x
2. Step 2: Convert to fraction form
   156,097.56/215,268.41 = 103,616.69/x
3. Step 3: Cross multiply
   156,097.56x = 215,268.41 × 103,616.69
4. Step 4: Simplify right side
   156,097.56x = 22,305,400,105.76
5. Step 5: Solve for x
   x = 22,305,400,105.76/156,097.56
6. Step 6: Final answer
   x = 142,893.97