Finding the Fourth Proportional to 112,851, 155,745.72 and 62,559.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,851 : 155,745.72 = 62,559.72 : x
2. Step 2: Convert to fraction form
   112,851/155,745.72 = 62,559.72/x
3. Step 3: Cross multiply
   112,851x = 155,745.72 × 62,559.72
4. Step 4: Simplify right side
   112,851x = 9,743,408,634.40
5. Step 5: Solve for x
   x = 9,743,408,634.40/112,851
6. Step 6: Final answer
   x = 86,338.70