Finding the Fourth Proportional to 59,181.30, 81,651.24 and 42,188.58

Step by Step Solution

1. Step 1: Write the proportion equation
   59,181.30 : 81,651.24 = 42,188.58 : x
2. Step 2: Convert to fraction form
   59,181.30/81,651.24 = 42,188.58/x
3. Step 3: Cross multiply
   59,181.30x = 81,651.24 × 42,188.58
4. Step 4: Simplify right side
   59,181.30x = 3,444,749,870.84
5. Step 5: Solve for x
   x = 3,444,749,870.84/59,181.30
6. Step 6: Final answer
   x = 58,206.73