Finding the Fourth Proportional to 94,320, 141,449.94 and 31,128.36

Step by Step Solution

1. Step 1: Write the proportion equation
   94,320 : 141,449.94 = 31,128.36 : x
2. Step 2: Convert to fraction form
   94,320/141,449.94 = 31,128.36/x
3. Step 3: Cross multiply
   94,320x = 141,449.94 × 31,128.36
4. Step 4: Simplify right side
   94,320x = 4,403,104,654.30
5. Step 5: Solve for x
   x = 4,403,104,654.30/94,320
6. Step 6: Final answer
   x = 46,682.62