Finding the Fourth Proportional to 214,085.98, 321,145.56 and 64,314.52

Step by Step Solution

1. Step 1: Write the proportion equation
   214,085.98 : 321,145.56 = 64,314.52 : x
2. Step 2: Convert to fraction form
   214,085.98/321,145.56 = 64,314.52/x
3. Step 3: Cross multiply
   214,085.98x = 321,145.56 × 64,314.52
4. Step 4: Simplify right side
   214,085.98x = 20,654,322,541.53
5. Step 5: Solve for x
   x = 20,654,322,541.53/214,085.98
6. Step 6: Final answer
   x = 96,476.76