Finding the Fourth Proportional to 59,783.36, 88,969.28 and 57,790.16

Step by Step Solution

1. Step 1: Write the proportion equation
   59,783.36 : 88,969.28 = 57,790.16 : x
2. Step 2: Convert to fraction form
   59,783.36/88,969.28 = 57,790.16/x
3. Step 3: Cross multiply
   59,783.36x = 88,969.28 × 57,790.16
4. Step 4: Simplify right side
   59,783.36x = 5,141,548,926.28
5. Step 5: Solve for x
   x = 5,141,548,926.28/59,783.36
6. Step 6: Final answer
   x = 86,003.01