Finding the Fourth Proportional to 54,598.16, 81,788.88 and 42,074.72

Step by Step Solution

1. Step 1: Write the proportion equation
   54,598.16 : 81,788.88 = 42,074.72 : x
2. Step 2: Convert to fraction form
   54,598.16/81,788.88 = 42,074.72/x
3. Step 3: Cross multiply
   54,598.16x = 81,788.88 × 42,074.72
4. Step 4: Simplify right side
   54,598.16x = 3,441,244,225.11
5. Step 5: Solve for x
   x = 3,441,244,225.11/54,598.16
6. Step 6: Final answer
   x = 63,028.58