Finding the Fourth Proportional to 42,064.04, 63,089.52 and 13,984.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,064.04 : 63,089.52 = 13,984.58 : x
2. Step 2: Convert to fraction form
   42,064.04/63,089.52 = 13,984.58/x
3. Step 3: Cross multiply
   42,064.04x = 63,089.52 × 13,984.58
4. Step 4: Simplify right side
   42,064.04x = 882,280,439.60
5. Step 5: Solve for x
   x = 882,280,439.60/42,064.04
6. Step 6: Final answer
   x = 20,974.70