Finding the Fourth Proportional to 136,333.55, 188,091.59 and 78,941.54

Step by Step Solution

1. Step 1: Write the proportion equation
   136,333.55 : 188,091.59 = 78,941.54 : x
2. Step 2: Convert to fraction form
   136,333.55/188,091.59 = 78,941.54/x
3. Step 3: Cross multiply
   136,333.55x = 188,091.59 × 78,941.54
4. Step 4: Simplify right side
   136,333.55x = 14,848,238,440.48
5. Step 5: Solve for x
   x = 14,848,238,440.48/136,333.55
6. Step 6: Final answer
   x = 108,911.12