Finding the Fourth Proportional to 102,081.08, 153,152.69 and 52,196.21

Step by Step Solution

1. Step 1: Write the proportion equation
   102,081.08 : 153,152.69 = 52,196.21 : x
2. Step 2: Convert to fraction form
   102,081.08/153,152.69 = 52,196.21/x
3. Step 3: Cross multiply
   102,081.08x = 153,152.69 × 52,196.21
4. Step 4: Simplify right side
   102,081.08x = 7,993,990,482.68
5. Step 5: Solve for x
   x = 7,993,990,482.68/102,081.08
6. Step 6: Final answer
   x = 78,310.21