Finding the Fourth Proportional to 136,061.34, 187,768.71 and 82,356.18

Step by Step Solution

1. Step 1: Write the proportion equation
   136,061.34 : 187,768.71 = 82,356.18 : x
2. Step 2: Convert to fraction form
   136,061.34/187,768.71 = 82,356.18/x
3. Step 3: Cross multiply
   136,061.34x = 187,768.71 × 82,356.18
4. Step 4: Simplify right side
   136,061.34x = 15,463,913,679.13
5. Step 5: Solve for x
   x = 15,463,913,679.13/136,061.34
6. Step 6: Final answer
   x = 113,653.99