Finding the Fourth Proportional to 115,667.76, 159,620.20 and 62,675.76

Step by Step Solution

1. Step 1: Write the proportion equation
   115,667.76 : 159,620.20 = 62,675.76 : x
2. Step 2: Convert to fraction form
   115,667.76/159,620.20 = 62,675.76/x
3. Step 3: Cross multiply
   115,667.76x = 159,620.20 × 62,675.76
4. Step 4: Simplify right side
   115,667.76x = 10,004,317,346.35
5. Step 5: Solve for x
   x = 10,004,317,346.35/115,667.76
6. Step 6: Final answer
   x = 86,491.84