Finding the Fourth Proportional to 99,785.25, 137,703.83 and 55,073.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,785.25 : 137,703.83 = 55,073.25 : x
2. Step 2: Convert to fraction form
   99,785.25/137,703.83 = 55,073.25/x
3. Step 3: Cross multiply
   99,785.25x = 137,703.83 × 55,073.25
4. Step 4: Simplify right side
   99,785.25x = 7,583,797,180.18
5. Step 5: Solve for x
   x = 7,583,797,180.18/99,785.25
6. Step 6: Final answer
   x = 76,001.18