Finding the Fourth Proportional to 60,806.32, 83,888.56 and 40,631.25

Step by Step Solution

1. Step 1: Write the proportion equation
   60,806.32 : 83,888.56 = 40,631.25 : x
2. Step 2: Convert to fraction form
   60,806.32/83,888.56 = 40,631.25/x
3. Step 3: Cross multiply
   60,806.32x = 83,888.56 × 40,631.25
4. Step 4: Simplify right side
   60,806.32x = 3,408,496,711.06
5. Step 5: Solve for x
   x = 3,408,496,711.06/60,806.32
6. Step 6: Final answer
   x = 56,054.97