Finding the Fourth Proportional to 83,928.72, 115,818.18 and 48,093.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,928.72 : 115,818.18 = 48,093.78 : x
2. Step 2: Convert to fraction form
   83,928.72/115,818.18 = 48,093.78/x
3. Step 3: Cross multiply
   83,928.72x = 115,818.18 × 48,093.78
4. Step 4: Simplify right side
   83,928.72x = 5,570,134,068.92
5. Step 5: Solve for x
   x = 5,570,134,068.92/83,928.72
6. Step 6: Final answer
   x = 66,367.44