Finding the Fourth Proportional to 101,142.63, 150,944.86 and 89,932.83

Step by Step Solution

1. Step 1: Write the proportion equation
   101,142.63 : 150,944.86 = 89,932.83 : x
2. Step 2: Convert to fraction form
   101,142.63/150,944.86 = 89,932.83/x
3. Step 3: Cross multiply
   101,142.63x = 150,944.86 × 89,932.83
4. Step 4: Simplify right side
   101,142.63x = 13,574,898,433.75
5. Step 5: Solve for x
   x = 13,574,898,433.75/101,142.63
6. Step 6: Final answer
   x = 134,215.40