Finding the Fourth Proportional to 63,124.88, 87,237.72 and 51,776.72

Step by Step Solution

1. Step 1: Write the proportion equation
   63,124.88 : 87,237.72 = 51,776.72 : x
2. Step 2: Convert to fraction form
   63,124.88/87,237.72 = 51,776.72/x
3. Step 3: Cross multiply
   63,124.88x = 87,237.72 × 51,776.72
4. Step 4: Simplify right side
   63,124.88x = 4,516,883,001.88
5. Step 5: Solve for x
   x = 4,516,883,001.88/63,124.88
6. Step 6: Final answer
   x = 71,554.72