Finding the Fourth Proportional to 156,016.82, 215,329.62 and 90,595.46

Step by Step Solution

1. Step 1: Write the proportion equation
   156,016.82 : 215,329.62 = 90,595.46 : x
2. Step 2: Convert to fraction form
   156,016.82/215,329.62 = 90,595.46/x
3. Step 3: Cross multiply
   156,016.82x = 215,329.62 × 90,595.46
4. Step 4: Simplify right side
   156,016.82x = 19,507,884,898.88
5. Step 5: Solve for x
   x = 19,507,884,898.88/156,016.82
6. Step 6: Final answer
   x = 125,037.07