Finding the Fourth Proportional to 89,757.30, 123,778.74 and 59,075.58

Step by Step Solution

1. Step 1: Write the proportion equation
   89,757.30 : 123,778.74 = 59,075.58 : x
2. Step 2: Convert to fraction form
   89,757.30/123,778.74 = 59,075.58/x
3. Step 3: Cross multiply
   89,757.30x = 123,778.74 × 59,075.58
4. Step 4: Simplify right side
   89,757.30x = 7,312,300,857.17
5. Step 5: Solve for x
   x = 7,312,300,857.17/89,757.30
6. Step 6: Final answer
   x = 81,467.48