Finding the Fourth Proportional to 141,015.60, 194,562.72 and 90,743.76

Step by Step Solution

1. Step 1: Write the proportion equation
   141,015.60 : 194,562.72 = 90,743.76 : x
2. Step 2: Convert to fraction form
   141,015.60/194,562.72 = 90,743.76/x
3. Step 3: Cross multiply
   141,015.60x = 194,562.72 × 90,743.76
4. Step 4: Simplify right side
   141,015.60x = 17,655,352,768.63
5. Step 5: Solve for x
   x = 17,655,352,768.63/141,015.60
6. Step 6: Final answer
   x = 125,201.42