Finding the Fourth Proportional to 141,400.96, 212,100.48 and 42,904.96

Step by Step Solution

1. Step 1: Write the proportion equation
   141,400.96 : 212,100.48 = 42,904.96 : x
2. Step 2: Convert to fraction form
   141,400.96/212,100.48 = 42,904.96/x
3. Step 3: Cross multiply
   141,400.96x = 212,100.48 × 42,904.96
4. Step 4: Simplify right side
   141,400.96x = 9,100,162,610.38
5. Step 5: Solve for x
   x = 9,100,162,610.38/141,400.96
6. Step 6: Final answer
   x = 64,357.15