Finding the Fourth Proportional to 109,383.49, 164,666.15 and 98,385.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,383.49 : 164,666.15 = 98,385.31 : x
2. Step 2: Convert to fraction form
   109,383.49/164,666.15 = 98,385.31/x
3. Step 3: Cross multiply
   109,383.49x = 164,666.15 × 98,385.31
4. Step 4: Simplify right side
   109,383.49x = 16,200,730,214.26
5. Step 5: Solve for x
   x = 16,200,730,214.26/109,383.49
6. Step 6: Final answer
   x = 148,109.47