Finding the Fourth Proportional to 109,973.21, 165,076.46 and 97,404.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,973.21 : 165,076.46 = 97,404.56 : x
2. Step 2: Convert to fraction form
   109,973.21/165,076.46 = 97,404.56/x
3. Step 3: Cross multiply
   109,973.21x = 165,076.46 × 97,404.56
4. Step 4: Simplify right side
   109,973.21x = 16,079,200,172.46
5. Step 5: Solve for x
   x = 16,079,200,172.46/109,973.21
6. Step 6: Final answer
   x = 146,210.16