Finding the Fourth Proportional to 152,791.10, 210,846.15 and 84,811.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,791.10 : 210,846.15 = 84,811.10 : x
2. Step 2: Convert to fraction form
   152,791.10/210,846.15 = 84,811.10/x
3. Step 3: Cross multiply
   152,791.10x = 210,846.15 × 84,811.10
4. Step 4: Simplify right side
   152,791.10x = 17,882,093,912.27
5. Step 5: Solve for x
   x = 17,882,093,912.27/152,791.10
6. Step 6: Final answer
   x = 117,036.23