Finding the Fourth Proportional to 115,704, 159,672.96 and 62,712

Step by Step Solution

1. Step 1: Write the proportion equation
   115,704 : 159,672.96 = 62,712 : x
2. Step 2: Convert to fraction form
   115,704/159,672.96 = 62,712/x
3. Step 3: Cross multiply
   115,704x = 159,672.96 × 62,712
4. Step 4: Simplify right side
   115,704x = 10,013,410,667.52
5. Step 5: Solve for x
   x = 10,013,410,667.52/115,704
6. Step 6: Final answer
   x = 86,543.34