Finding the Fourth Proportional to 152,687.83, 210,709.74 and 84,706.15

Step by Step Solution

1. Step 1: Write the proportion equation
   152,687.83 : 210,709.74 = 84,706.15 : x
2. Step 2: Convert to fraction form
   152,687.83/210,709.74 = 84,706.15/x
3. Step 3: Cross multiply
   152,687.83x = 210,709.74 × 84,706.15
4. Step 4: Simplify right side
   152,687.83x = 17,848,410,842.90
5. Step 5: Solve for x
   x = 17,848,410,842.90/152,687.83
6. Step 6: Final answer
   x = 116,894.78