Finding the Fourth Proportional to 99,804, 137,729.64 and 55,092

Step by Step Solution

1. Step 1: Write the proportion equation
   99,804 : 137,729.64 = 55,092 : x
2. Step 2: Convert to fraction form
   99,804/137,729.64 = 55,092/x
3. Step 3: Cross multiply
   99,804x = 137,729.64 × 55,092
4. Step 4: Simplify right side
   99,804x = 7,587,801,326.88
5. Step 5: Solve for x
   x = 7,587,801,326.88/99,804
6. Step 6: Final answer
   x = 76,027.03