Finding the Fourth Proportional to 141,886.42, 212,860.78 and 42,054.46

Step by Step Solution

1. Step 1: Write the proportion equation
   141,886.42 : 212,860.78 = 42,054.46 : x
2. Step 2: Convert to fraction form
   141,886.42/212,860.78 = 42,054.46/x
3. Step 3: Cross multiply
   141,886.42x = 212,860.78 × 42,054.46
4. Step 4: Simplify right side
   141,886.42x = 8,951,744,520.79
5. Step 5: Solve for x
   x = 8,951,744,520.79/141,886.42
6. Step 6: Final answer
   x = 63,090.92