Finding the Fourth Proportional to 103,906.48, 143,388.06 and 58,584.06

Step by Step Solution

1. Step 1: Write the proportion equation
   103,906.48 : 143,388.06 = 58,584.06 : x
2. Step 2: Convert to fraction form
   103,906.48/143,388.06 = 58,584.06/x
3. Step 3: Cross multiply
   103,906.48x = 143,388.06 × 58,584.06
4. Step 4: Simplify right side
   103,906.48x = 8,400,254,710.32
5. Step 5: Solve for x
   x = 8,400,254,710.32/103,906.48
6. Step 6: Final answer
   x = 80,844.38