Finding the Fourth Proportional to 94,734.18, 142,145.10 and 42,178.14

Step by Step Solution

1. Step 1: Write the proportion equation
   94,734.18 : 142,145.10 = 42,178.14 : x
2. Step 2: Convert to fraction form
   94,734.18/142,145.10 = 42,178.14/x
3. Step 3: Cross multiply
   94,734.18x = 142,145.10 × 42,178.14
4. Step 4: Simplify right side
   94,734.18x = 5,995,415,928.11
5. Step 5: Solve for x
   x = 5,995,415,928.11/94,734.18
6. Step 6: Final answer
   x = 63,286.72