Finding the Fourth Proportional to 59,040.56, 88,169.50 and 51,886.64

Step by Step Solution

1. Step 1: Write the proportion equation
   59,040.56 : 88,169.50 = 51,886.64 : x
2. Step 2: Convert to fraction form
   59,040.56/88,169.50 = 51,886.64/x
3. Step 3: Cross multiply
   59,040.56x = 88,169.50 × 51,886.64
4. Step 4: Simplify right side
   59,040.56x = 4,574,819,105.48
5. Step 5: Solve for x
   x = 4,574,819,105.48/59,040.56
6. Step 6: Final answer
   x = 77,486.04