Finding the Fourth Proportional to 65,258.56, 90,094.12 and 42,967.36

Step by Step Solution

1. Step 1: Write the proportion equation
   65,258.56 : 90,094.12 = 42,967.36 : x
2. Step 2: Convert to fraction form
   65,258.56/90,094.12 = 42,967.36/x
3. Step 3: Cross multiply
   65,258.56x = 90,094.12 × 42,967.36
4. Step 4: Simplify right side
   65,258.56x = 3,871,106,487.92
5. Step 5: Solve for x
   x = 3,871,106,487.92/65,258.56
6. Step 6: Final answer
   x = 59,319.52