Finding the Fourth Proportional to 109,984.34, 164,145.84 and 99,355.52

Step by Step Solution

1. Step 1: Write the proportion equation
   109,984.34 : 164,145.84 = 99,355.52 : x
2. Step 2: Convert to fraction form
   109,984.34/164,145.84 = 99,355.52/x
3. Step 3: Cross multiply
   109,984.34x = 164,145.84 × 99,355.52
4. Step 4: Simplify right side
   109,984.34x = 16,308,795,289.04
5. Step 5: Solve for x
   x = 16,308,795,289.04/109,984.34
6. Step 6: Final answer
   x = 148,282.89