Finding the Fourth Proportional to 152,463, 210,398.94 and 85,395

Step by Step Solution

1. Step 1: Write the proportion equation
   152,463 : 210,398.94 = 85,395 : x
2. Step 2: Convert to fraction form
   152,463/210,398.94 = 85,395/x
3. Step 3: Cross multiply
   152,463x = 210,398.94 × 85,395
4. Step 4: Simplify right side
   152,463x = 17,967,017,481.30
5. Step 5: Solve for x
   x = 17,967,017,481.30/152,463
6. Step 6: Final answer
   x = 117,845.10