Finding the Fourth Proportional to 104,075.89, 143,623.69 and 58,752.90

Step by Step Solution

1. Step 1: Write the proportion equation
   104,075.89 : 143,623.69 = 58,752.90 : x
2. Step 2: Convert to fraction form
   104,075.89/143,623.69 = 58,752.90/x
3. Step 3: Cross multiply
   104,075.89x = 143,623.69 × 58,752.90
4. Step 4: Simplify right side
   104,075.89x = 8,438,308,149.32
5. Step 5: Solve for x
   x = 8,438,308,149.32/104,075.89
6. Step 6: Final answer
   x = 81,078.42