Finding the Fourth Proportional to 152,860.06, 210,945.73 and 84,877.27

Step by Step Solution

1. Step 1: Write the proportion equation
   152,860.06 : 210,945.73 = 84,877.27 : x
2. Step 2: Convert to fraction form
   152,860.06/210,945.73 = 84,877.27/x
3. Step 3: Cross multiply
   152,860.06x = 210,945.73 × 84,877.27
4. Step 4: Simplify right side
   152,860.06x = 17,904,497,680.56
5. Step 5: Solve for x
   x = 17,904,497,680.56/152,860.06
6. Step 6: Final answer
   x = 117,129.99