Finding the Fourth Proportional to 42,079.57, 63,059.20 and 30,898.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,079.57 : 63,059.20 = 30,898.54 : x
2. Step 2: Convert to fraction form
   42,079.57/63,059.20 = 30,898.54/x
3. Step 3: Cross multiply
   42,079.57x = 63,059.20 × 30,898.54
4. Step 4: Simplify right side
   42,079.57x = 1,948,437,213.57
5. Step 5: Solve for x
   x = 1,948,437,213.57/42,079.57
6. Step 6: Final answer
   x = 46,303.64