Finding the Fourth Proportional to 145,758.36, 201,196.86 and 85,348.42

Step by Step Solution

1. Step 1: Write the proportion equation
   145,758.36 : 201,196.86 = 85,348.42 : x
2. Step 2: Convert to fraction form
   145,758.36/201,196.86 = 85,348.42/x
3. Step 3: Cross multiply
   145,758.36x = 201,196.86 × 85,348.42
4. Step 4: Simplify right side
   145,758.36x = 17,171,834,109.96
5. Step 5: Solve for x
   x = 17,171,834,109.96/145,758.36
6. Step 6: Final answer
   x = 117,810.29