Finding the Fourth Proportional to 142,323.39, 213,522.08 and 42,483.60

Step by Step Solution

1. Step 1: Write the proportion equation
   142,323.39 : 213,522.08 = 42,483.60 : x
2. Step 2: Convert to fraction form
   142,323.39/213,522.08 = 42,483.60/x
3. Step 3: Cross multiply
   142,323.39x = 213,522.08 × 42,483.60
4. Step 4: Simplify right side
   142,323.39x = 9,071,186,425.47
5. Step 5: Solve for x
   x = 9,071,186,425.47/142,323.39
6. Step 6: Final answer
   x = 63,736.44