Finding the Fourth Proportional to 62,075.88, 85,617.63 and 42,987.54

Step by Step Solution

1. Step 1: Write the proportion equation
   62,075.88 : 85,617.63 = 42,987.54 : x
2. Step 2: Convert to fraction form
   62,075.88/85,617.63 = 42,987.54/x
3. Step 3: Cross multiply
   62,075.88x = 85,617.63 × 42,987.54
4. Step 4: Simplify right side
   62,075.88x = 3,680,491,294.33
5. Step 5: Solve for x
   x = 3,680,491,294.33/62,075.88
6. Step 6: Final answer
   x = 59,290.20