Finding the Fourth Proportional to 143,239.59, 214,676.73 and 58,903.34

Step by Step Solution

1. Step 1: Write the proportion equation
   143,239.59 : 214,676.73 = 58,903.34 : x
2. Step 2: Convert to fraction form
   143,239.59/214,676.73 = 58,903.34/x
3. Step 3: Cross multiply
   143,239.59x = 214,676.73 × 58,903.34
4. Step 4: Simplify right side
   143,239.59x = 12,645,175,343.89
5. Step 5: Solve for x
   x = 12,645,175,343.89/143,239.59
6. Step 6: Final answer
   x = 88,279.89