Finding the Fourth Proportional to 152,844.24, 210,916.78 and 84,856.83

Step by Step Solution

1. Step 1: Write the proportion equation
   152,844.24 : 210,916.78 = 84,856.83 : x
2. Step 2: Convert to fraction form
   152,844.24/210,916.78 = 84,856.83/x
3. Step 3: Cross multiply
   152,844.24x = 210,916.78 × 84,856.83
4. Step 4: Simplify right side
   152,844.24x = 17,897,729,344.61
5. Step 5: Solve for x
   x = 17,897,729,344.61/152,844.24
6. Step 6: Final answer
   x = 117,097.83