Finding the Fourth Proportional to 42,271.94, 63,384.19 and 28,959.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,271.94 : 63,384.19 = 28,959.98 : x
2. Step 2: Convert to fraction form
   42,271.94/63,384.19 = 28,959.98/x
3. Step 3: Cross multiply
   42,271.94x = 63,384.19 × 28,959.98
4. Step 4: Simplify right side
   42,271.94x = 1,835,604,485.40
5. Step 5: Solve for x
   x = 1,835,604,485.40/42,271.94
6. Step 6: Final answer
   x = 43,423.71