Finding the Fourth Proportional to 42,885.08, 59,193.48 and 30,141.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,885.08 : 59,193.48 = 30,141.20 : x
2. Step 2: Convert to fraction form
   42,885.08/59,193.48 = 30,141.20/x
3. Step 3: Cross multiply
   42,885.08x = 59,193.48 × 30,141.20
4. Step 4: Simplify right side
   42,885.08x = 1,784,162,519.38
5. Step 5: Solve for x
   x = 1,784,162,519.38/42,885.08
6. Step 6: Final answer
   x = 41,603.34