Finding the Fourth Proportional to 304,320.16, 455,868.42 and 141,984.82

Step by Step Solution

1. Step 1: Write the proportion equation
   304,320.16 : 455,868.42 = 141,984.82 : x
2. Step 2: Convert to fraction form
   304,320.16/455,868.42 = 141,984.82/x
3. Step 3: Cross multiply
   304,320.16x = 455,868.42 × 141,984.82
4. Step 4: Simplify right side
   304,320.16x = 64,726,395,557.38
5. Step 5: Solve for x
   x = 64,726,395,557.38/304,320.16
6. Step 6: Final answer
   x = 212,691.78