Finding the Fourth Proportional to 152,863, 210,950.94 and 85,795

Step by Step Solution

1. Step 1: Write the proportion equation
   152,863 : 210,950.94 = 85,795 : x
2. Step 2: Convert to fraction form
   152,863/210,950.94 = 85,795/x
3. Step 3: Cross multiply
   152,863x = 210,950.94 × 85,795
4. Step 4: Simplify right side
   152,863x = 18,098,535,897.30
5. Step 5: Solve for x
   x = 18,098,535,897.30/152,863
6. Step 6: Final answer
   x = 118,397.10