Finding the Fourth Proportional to 83,488.54, 115,226 and 51,667.69

Step by Step Solution

1. Step 1: Write the proportion equation
   83,488.54 : 115,226 = 51,667.69 : x
2. Step 2: Convert to fraction form
   83,488.54/115,226 = 51,667.69/x
3. Step 3: Cross multiply
   83,488.54x = 115,226 × 51,667.69
4. Step 4: Simplify right side
   83,488.54x = 5,953,461,247.94
5. Step 5: Solve for x
   x = 5,953,461,247.94/83,488.54
6. Step 6: Final answer
   x = 71,308.72