Finding the Fourth Proportional to 104,155.86, 143,743.93 and 58,842.15

Step by Step Solution

1. Step 1: Write the proportion equation
   104,155.86 : 143,743.93 = 58,842.15 : x
2. Step 2: Convert to fraction form
   104,155.86/143,743.93 = 58,842.15/x
3. Step 3: Cross multiply
   104,155.86x = 143,743.93 × 58,842.15
4. Step 4: Simplify right side
   104,155.86x = 8,458,202,748.33
5. Step 5: Solve for x
   x = 8,458,202,748.33/104,155.86
6. Step 6: Final answer
   x = 81,207.17