Finding the Fourth Proportional to 134,885.35, 186,141.78 and 74,456.01

Step by Step Solution

1. Step 1: Write the proportion equation
   134,885.35 : 186,141.78 = 74,456.01 : x
2. Step 2: Convert to fraction form
   134,885.35/186,141.78 = 74,456.01/x
3. Step 3: Cross multiply
   134,885.35x = 186,141.78 × 74,456.01
4. Step 4: Simplify right side
   134,885.35x = 13,859,374,233.10
5. Step 5: Solve for x
   x = 13,859,374,233.10/134,885.35
6. Step 6: Final answer
   x = 102,749.29