Finding the Fourth Proportional to 157,667.98, 236,361.33 and 57,804.85

Step by Step Solution

1. Step 1: Write the proportion equation
   157,667.98 : 236,361.33 = 57,804.85 : x
2. Step 2: Convert to fraction form
   157,667.98/236,361.33 = 57,804.85/x
3. Step 3: Cross multiply
   157,667.98x = 236,361.33 × 57,804.85
4. Step 4: Simplify right side
   157,667.98x = 13,662,831,226.45
5. Step 5: Solve for x
   x = 13,662,831,226.45/157,667.98
6. Step 6: Final answer
   x = 86,655.71