Finding the Fourth Proportional to 136,300.86, 204,259.86 and 116,206.43

Step by Step Solution

1. Step 1: Write the proportion equation
   136,300.86 : 204,259.86 = 116,206.43 : x
2. Step 2: Convert to fraction form
   136,300.86/204,259.86 = 116,206.43/x
3. Step 3: Cross multiply
   136,300.86x = 204,259.86 × 116,206.43
4. Step 4: Simplify right side
   136,300.86x = 23,736,308,101.60
5. Step 5: Solve for x
   x = 23,736,308,101.60/136,300.86
6. Step 6: Final answer
   x = 174,146.43