Finding the Fourth Proportional to 148,695, 205,196.67 and 85,030.62

Step by Step Solution

1. Step 1: Write the proportion equation
   148,695 : 205,196.67 = 85,030.62 : x
2. Step 2: Convert to fraction form
   148,695/205,196.67 = 85,030.62/x
3. Step 3: Cross multiply
   148,695x = 205,196.67 × 85,030.62
4. Step 4: Simplify right side
   148,695x = 17,448,000,072.04
5. Step 5: Solve for x
   x = 17,448,000,072.04/148,695
6. Step 6: Final answer
   x = 117,340.87