Finding the Fourth Proportional to 69,856.88, 96,500.52 and 62,300.79

Step by Step Solution

1. Step 1: Write the proportion equation
   69,856.88 : 96,500.52 = 62,300.79 : x
2. Step 2: Convert to fraction form
   69,856.88/96,500.52 = 62,300.79/x
3. Step 3: Cross multiply
   69,856.88x = 96,500.52 × 62,300.79
4. Step 4: Simplify right side
   69,856.88x = 6,012,058,631.41
5. Step 5: Solve for x
   x = 6,012,058,631.41/69,856.88
6. Step 6: Final answer
   x = 86,062.52