Finding the Fourth Proportional to 156,441.82, 234,280.00 and 141,278.63

Step by Step Solution

1. Step 1: Write the proportion equation
   156,441.82 : 234,280.00 = 141,278.63 : x
2. Step 2: Convert to fraction form
   156,441.82/234,280.00 = 141,278.63/x
3. Step 3: Cross multiply
   156,441.82x = 234,280.00 × 141,278.63
4. Step 4: Simplify right side
   156,441.82x = 33,098,755,795.91
5. Step 5: Solve for x
   x = 33,098,755,795.91/156,441.82
6. Step 6: Final answer
   x = 211,572.30