Finding the Fourth Proportional to 141,969.31, 212,951.43 and 42,196.95

Step by Step Solution

1. Step 1: Write the proportion equation
   141,969.31 : 212,951.43 = 42,196.95 : x
2. Step 2: Convert to fraction form
   141,969.31/212,951.43 = 42,196.95/x
3. Step 3: Cross multiply
   141,969.31x = 212,951.43 × 42,196.95
4. Step 4: Simplify right side
   141,969.31x = 8,985,900,844.14
5. Step 5: Solve for x
   x = 8,985,900,844.14/141,969.31
6. Step 6: Final answer
   x = 63,294.67