Finding the Fourth Proportional to 143,124.91, 214,654.56 and 64,261.69

Step by Step Solution

1. Step 1: Write the proportion equation
   143,124.91 : 214,654.56 = 64,261.69 : x
2. Step 2: Convert to fraction form
   143,124.91/214,654.56 = 64,261.69/x
3. Step 3: Cross multiply
   143,124.91x = 214,654.56 × 64,261.69
4. Step 4: Simplify right side
   143,124.91x = 13,794,064,014.19
5. Step 5: Solve for x
   x = 13,794,064,014.19/143,124.91
6. Step 6: Final answer
   x = 96,377.80