Finding the Fourth Proportional to 83,464.32, 125,196.72 and 21,134.76

Step by Step Solution

1. Step 1: Write the proportion equation
   83,464.32 : 125,196.72 = 21,134.76 : x
2. Step 2: Convert to fraction form
   83,464.32/125,196.72 = 21,134.76/x
3. Step 3: Cross multiply
   83,464.32x = 125,196.72 × 21,134.76
4. Step 4: Simplify right side
   83,464.32x = 2,646,002,629.99
5. Step 5: Solve for x
   x = 2,646,002,629.99/83,464.32
6. Step 6: Final answer
   x = 31,702.20