Finding the Fourth Proportional to 136,445.56, 188,300.69 and 76,016.17

Step by Step Solution

1. Step 1: Write the proportion equation
   136,445.56 : 188,300.69 = 76,016.17 : x
2. Step 2: Convert to fraction form
   136,445.56/188,300.69 = 76,016.17/x
3. Step 3: Cross multiply
   136,445.56x = 188,300.69 × 76,016.17
4. Step 4: Simplify right side
   136,445.56x = 14,313,897,262.16
5. Step 5: Solve for x
   x = 14,313,897,262.16/136,445.56
6. Step 6: Final answer
   x = 104,905.56