Finding the Fourth Proportional to 141,642.93, 195,045.39 and 138,499.59

Step by Step Solution

1. Step 1: Write the proportion equation
   141,642.93 : 195,045.39 = 138,499.59 : x
2. Step 2: Convert to fraction form
   141,642.93/195,045.39 = 138,499.59/x
3. Step 3: Cross multiply
   141,642.93x = 195,045.39 × 138,499.59
4. Step 4: Simplify right side
   141,642.93x = 27,013,706,546.39
5. Step 5: Solve for x
   x = 27,013,706,546.39/141,642.93
6. Step 6: Final answer
   x = 190,716.94