Finding the Fourth Proportional to 141,870.39, 212,836.71 and 42,038.39

Step by Step Solution

1. Step 1: Write the proportion equation
   141,870.39 : 212,836.71 = 42,038.39 : x
2. Step 2: Convert to fraction form
   141,870.39/212,836.71 = 42,038.39/x
3. Step 3: Cross multiply
   141,870.39x = 212,836.71 × 42,038.39
4. Step 4: Simplify right side
   141,870.39x = 8,947,313,311.03
5. Step 5: Solve for x
   x = 8,947,313,311.03/141,870.39
6. Step 6: Final answer
   x = 63,066.81