Finding the Fourth Proportional to 157,667.89, 236,361.18 and 57,804.78

Step by Step Solution

1. Step 1: Write the proportion equation
   157,667.89 : 236,361.18 = 57,804.78 : x
2. Step 2: Convert to fraction form
   157,667.89/236,361.18 = 57,804.78/x
3. Step 3: Cross multiply
   157,667.89x = 236,361.18 × 57,804.78
4. Step 4: Simplify right side
   157,667.89x = 13,662,806,010.44
5. Step 5: Solve for x
   x = 13,662,806,010.44/157,667.89
6. Step 6: Final answer
   x = 86,655.60