Finding the Fourth Proportional to 137,353.06, 206,965.52 and 112,940.00

Step by Step Solution

1. Step 1: Write the proportion equation
   137,353.06 : 206,965.52 = 112,940.00 : x
2. Step 2: Convert to fraction form
   137,353.06/206,965.52 = 112,940.00/x
3. Step 3: Cross multiply
   137,353.06x = 206,965.52 × 112,940.00
4. Step 4: Simplify right side
   137,353.06x = 23,374,685,076.32
5. Step 5: Solve for x
   x = 23,374,685,076.32/137,353.06
6. Step 6: Final answer
   x = 170,179.58