Finding the Fourth Proportional to 60,979.37, 83,964.62 and 53,383.19

Step by Step Solution

1. Step 1: Write the proportion equation
   60,979.37 : 83,964.62 = 53,383.19 : x
2. Step 2: Convert to fraction form
   60,979.37/83,964.62 = 53,383.19/x
3. Step 3: Cross multiply
   60,979.37x = 83,964.62 × 53,383.19
4. Step 4: Simplify right side
   60,979.37x = 4,482,298,995.82
5. Step 5: Solve for x
   x = 4,482,298,995.82/60,979.37
6. Step 6: Final answer
   x = 73,505.17