Finding the Fourth Proportional to 141,109.74, 194,665.59 and 87,375.15

Step by Step Solution

1. Step 1: Write the proportion equation
   141,109.74 : 194,665.59 = 87,375.15 : x
2. Step 2: Convert to fraction form
   141,109.74/194,665.59 = 87,375.15/x
3. Step 3: Cross multiply
   141,109.74x = 194,665.59 × 87,375.15
4. Step 4: Simplify right side
   141,109.74x = 17,008,935,126.09
5. Step 5: Solve for x
   x = 17,008,935,126.09/141,109.74
6. Step 6: Final answer
   x = 120,536.93