Finding the Fourth Proportional to 152,846.90, 210,942.06 and 84,877.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,846.90 : 210,942.06 = 84,877.10 : x
2. Step 2: Convert to fraction form
   152,846.90/210,942.06 = 84,877.10/x
3. Step 3: Cross multiply
   152,846.90x = 210,942.06 × 84,877.10
4. Step 4: Simplify right side
   152,846.90x = 17,904,150,320.83
5. Step 5: Solve for x
   x = 17,904,150,320.83/152,846.90
6. Step 6: Final answer
   x = 117,137.80