Finding the Fourth Proportional to 134,902.72, 186,164.72 and 74,473.42

Step by Step Solution

1. Step 1: Write the proportion equation
   134,902.72 : 186,164.72 = 74,473.42 : x
2. Step 2: Convert to fraction form
   134,902.72/186,164.72 = 74,473.42/x
3. Step 3: Cross multiply
   134,902.72x = 186,164.72 × 74,473.42
4. Step 4: Simplify right side
   134,902.72x = 13,864,323,381.74
5. Step 5: Solve for x
   x = 13,864,323,381.74/134,902.72
6. Step 6: Final answer
   x = 102,772.75