Finding the Fourth Proportional to 142,131.36, 213,159.90 and 42,264.68

Step by Step Solution

1. Step 1: Write the proportion equation
   142,131.36 : 213,159.90 = 42,264.68 : x
2. Step 2: Convert to fraction form
   142,131.36/213,159.90 = 42,264.68/x
3. Step 3: Cross multiply
   142,131.36x = 213,159.90 × 42,264.68
4. Step 4: Simplify right side
   142,131.36x = 9,009,134,962.33
5. Step 5: Solve for x
   x = 9,009,134,962.33/142,131.36
6. Step 6: Final answer
   x = 63,385.98