Finding the Fourth Proportional to 139,067.10, 208,272.60 and 94,452.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,067.10 : 208,272.60 = 94,452.30 : x
2. Step 2: Convert to fraction form
   139,067.10/208,272.60 = 94,452.30/x
3. Step 3: Cross multiply
   139,067.10x = 208,272.60 × 94,452.30
4. Step 4: Simplify right side
   139,067.10x = 19,671,826,096.98
5. Step 5: Solve for x
   x = 19,671,826,096.98/139,067.10
6. Step 6: Final answer
   x = 141,455.64