Finding the Fourth Proportional to 107,322.72, 148,036.86 and 84,654.33

Step by Step Solution

1. Step 1: Write the proportion equation
   107,322.72 : 148,036.86 = 84,654.33 : x
2. Step 2: Convert to fraction form
   107,322.72/148,036.86 = 84,654.33/x
3. Step 3: Cross multiply
   107,322.72x = 148,036.86 × 84,654.33
4. Step 4: Simplify right side
   107,322.72x = 12,531,961,198.60
5. Step 5: Solve for x
   x = 12,531,961,198.60/107,322.72
6. Step 6: Final answer
   x = 116,768.95