Finding the Fourth Proportional to 99,812.37, 137,741.09 and 55,100.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99,812.37 : 137,741.09 = 55,100.37 : x
2. Step 2: Convert to fraction form
   99,812.37/137,741.09 = 55,100.37/x
3. Step 3: Cross multiply
   99,812.37x = 137,741.09 × 55,100.37
4. Step 4: Simplify right side
   99,812.37x = 7,589,584,472.25
5. Step 5: Solve for x
   x = 7,589,584,472.25/99,812.37
6. Step 6: Final answer
   x = 76,038.52