Finding the Fourth Proportional to 142,397.04, 213,588.16 and 42,558.04

Step by Step Solution

1. Step 1: Write the proportion equation
   142,397.04 : 213,588.16 = 42,558.04 : x
2. Step 2: Convert to fraction form
   142,397.04/213,588.16 = 42,558.04/x
3. Step 3: Cross multiply
   142,397.04x = 213,588.16 × 42,558.04
4. Step 4: Simplify right side
   142,397.04x = 9,089,893,456.81
5. Step 5: Solve for x
   x = 9,089,893,456.81/142,397.04
6. Step 6: Final answer
   x = 63,834.85