Finding the Fourth Proportional to 64,300.24, 88,695.60 and 42,496.60

Step by Step Solution

1. Step 1: Write the proportion equation
   64,300.24 : 88,695.60 = 42,496.60 : x
2. Step 2: Convert to fraction form
   64,300.24/88,695.60 = 42,496.60/x
3. Step 3: Cross multiply
   64,300.24x = 88,695.60 × 42,496.60
4. Step 4: Simplify right side
   64,300.24x = 3,769,261,434.96
5. Step 5: Solve for x
   x = 3,769,261,434.96/64,300.24
6. Step 6: Final answer
   x = 58,619.71