Finding the Fourth Proportional to 109,865.43, 164,796.96 and 83,374.17

Step by Step Solution

1. Step 1: Write the proportion equation
   109,865.43 : 164,796.96 = 83,374.17 : x
2. Step 2: Convert to fraction form
   109,865.43/164,796.96 = 83,374.17/x
3. Step 3: Cross multiply
   109,865.43x = 164,796.96 × 83,374.17
4. Step 4: Simplify right side
   109,865.43x = 13,739,809,758.52
5. Step 5: Solve for x
   x = 13,739,809,758.52/109,865.43
6. Step 6: Final answer
   x = 125,060.36