Finding the Fourth Proportional to 103,664.02, 143,055 and 58,342.06

Step by Step Solution

1. Step 1: Write the proportion equation
   103,664.02 : 143,055 = 58,342.06 : x
2. Step 2: Convert to fraction form
   103,664.02/143,055 = 58,342.06/x
3. Step 3: Cross multiply
   103,664.02x = 143,055 × 58,342.06
4. Step 4: Simplify right side
   103,664.02x = 8,346,123,393.30
5. Step 5: Solve for x
   x = 8,346,123,393.30/103,664.02
6. Step 6: Final answer
   x = 80,511.28