Finding the Fourth Proportional to 99,447.82, 137,252.46 and 55,845.27

Step by Step Solution

1. Step 1: Write the proportion equation
   99,447.82 : 137,252.46 = 55,845.27 : x
2. Step 2: Convert to fraction form
   99,447.82/137,252.46 = 55,845.27/x
3. Step 3: Cross multiply
   99,447.82x = 137,252.46 × 55,845.27
4. Step 4: Simplify right side
   99,447.82x = 7,664,900,686.86
5. Step 5: Solve for x
   x = 7,664,900,686.86/99,447.82
6. Step 6: Final answer
   x = 77,074.60