Finding the Fourth Proportional to 142,081.17, 213,156.86 and 42,240.93

Step by Step Solution

1. Step 1: Write the proportion equation
   142,081.17 : 213,156.86 = 42,240.93 : x
2. Step 2: Convert to fraction form
   142,081.17/213,156.86 = 42,240.93/x
3. Step 3: Cross multiply
   142,081.17x = 213,156.86 × 42,240.93
4. Step 4: Simplify right side
   142,081.17x = 9,003,943,791.08
5. Step 5: Solve for x
   x = 9,003,943,791.08/142,081.17
6. Step 6: Final answer
   x = 63,371.83