Finding the Fourth Proportional to 136,406.41, 188,250.30 and 82,693.69

Step by Step Solution

1. Step 1: Write the proportion equation
   136,406.41 : 188,250.30 = 82,693.69 : x
2. Step 2: Convert to fraction form
   136,406.41/188,250.30 = 82,693.69/x
3. Step 3: Cross multiply
   136,406.41x = 188,250.30 × 82,693.69
4. Step 4: Simplify right side
   136,406.41x = 15,567,111,950.61
5. Step 5: Solve for x
   x = 15,567,111,950.61/136,406.41
6. Step 6: Final answer
   x = 114,123.02