Finding the Fourth Proportional to 141,940.96, 212,875.12 and 42,077.82

Step by Step Solution

1. Step 1: Write the proportion equation
   141,940.96 : 212,875.12 = 42,077.82 : x
2. Step 2: Convert to fraction form
   141,940.96/212,875.12 = 42,077.82/x
3. Step 3: Cross multiply
   141,940.96x = 212,875.12 × 42,077.82
4. Step 4: Simplify right side
   141,940.96x = 8,957,320,981.84
5. Step 5: Solve for x
   x = 8,957,320,981.84/141,940.96
6. Step 6: Final answer
   x = 63,105.96