Finding the Fourth Proportional to 99,751, 137,656.38 and 55,039

Step by Step Solution

1. Step 1: Write the proportion equation
   99,751 : 137,656.38 = 55,039 : x
2. Step 2: Convert to fraction form
   99,751/137,656.38 = 55,039/x
3. Step 3: Cross multiply
   99,751x = 137,656.38 × 55,039
4. Step 4: Simplify right side
   99,751x = 7,576,469,498.82
5. Step 5: Solve for x
   x = 7,576,469,498.82/99,751
6. Step 6: Final answer
   x = 75,953.82