Finding the Fourth Proportional to 83,678.14, 115,437.18 and 49,667.32

Step by Step Solution

1. Step 1: Write the proportion equation
   83,678.14 : 115,437.18 = 49,667.32 : x
2. Step 2: Convert to fraction form
   83,678.14/115,437.18 = 49,667.32/x
3. Step 3: Cross multiply
   83,678.14x = 115,437.18 × 49,667.32
4. Step 4: Simplify right side
   83,678.14x = 5,733,455,689.51
5. Step 5: Solve for x
   x = 5,733,455,689.51/83,678.14
6. Step 6: Final answer
   x = 68,517.96