Finding the Fourth Proportional to 42,059.61, 63,100.76 and 13,984.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,059.61 : 63,100.76 = 13,984.20 : x
2. Step 2: Convert to fraction form
   42,059.61/63,100.76 = 13,984.20/x
3. Step 3: Cross multiply
   42,059.61x = 63,100.76 × 13,984.20
4. Step 4: Simplify right side
   42,059.61x = 882,413,578.07
5. Step 5: Solve for x
   x = 882,413,578.07/42,059.61
6. Step 6: Final answer
   x = 20,980.07