Finding the Fourth Proportional to 60,572.42, 83,567.51 and 60,479

Step by Step Solution

1. Step 1: Write the proportion equation
   60,572.42 : 83,567.51 = 60,479 : x
2. Step 2: Convert to fraction form
   60,572.42/83,567.51 = 60,479/x
3. Step 3: Cross multiply
   60,572.42x = 83,567.51 × 60,479
4. Step 4: Simplify right side
   60,572.42x = 5,054,079,437.29
5. Step 5: Solve for x
   x = 5,054,079,437.29/60,572.42
6. Step 6: Final answer
   x = 83,438.62