Finding the Fourth Proportional to 143,280.22, 214,846.41 and 64,326.82

Step by Step Solution

1. Step 1: Write the proportion equation
   143,280.22 : 214,846.41 = 64,326.82 : x
2. Step 2: Convert to fraction form
   143,280.22/214,846.41 = 64,326.82/x
3. Step 3: Cross multiply
   143,280.22x = 214,846.41 × 64,326.82
4. Step 4: Simplify right side
   143,280.22x = 13,820,386,343.72
5. Step 5: Solve for x
   x = 13,820,386,343.72/143,280.22
6. Step 6: Final answer
   x = 96,457.04