Finding the Fourth Proportional to 137,796.48, 206,502.03 and 74,480.00

Step by Step Solution

1. Step 1: Write the proportion equation
   137,796.48 : 206,502.03 = 74,480.00 : x
2. Step 2: Convert to fraction form
   137,796.48/206,502.03 = 74,480.00/x
3. Step 3: Cross multiply
   137,796.48x = 206,502.03 × 74,480.00
4. Step 4: Simplify right side
   137,796.48x = 15,380,270,161.89
5. Step 5: Solve for x
   x = 15,380,270,161.89/137,796.48
6. Step 6: Final answer
   x = 111,615.84