Finding the Fourth Proportional to 140,659.89, 194,093.46 and 112,052.40

Step by Step Solution

1. Step 1: Write the proportion equation
   140,659.89 : 194,093.46 = 112,052.40 : x
2. Step 2: Convert to fraction form
   140,659.89/194,093.46 = 112,052.40/x
3. Step 3: Cross multiply
   140,659.89x = 194,093.46 × 112,052.40
4. Step 4: Simplify right side
   140,659.89x = 21,748,638,017.30
5. Step 5: Solve for x
   x = 21,748,638,017.30/140,659.89
6. Step 6: Final answer
   x = 154,618.62