Finding the Fourth Proportional to 105,160.36, 157,656.78 and 60,736.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,160.36 : 157,656.78 = 60,736.84 : x
2. Step 2: Convert to fraction form
   105,160.36/157,656.78 = 60,736.84/x
3. Step 3: Cross multiply
   105,160.36x = 157,656.78 × 60,736.84
4. Step 4: Simplify right side
   105,160.36x = 9,575,574,621.78
5. Step 5: Solve for x
   x = 9,575,574,621.78/105,160.36
6. Step 6: Final answer
   x = 91,056.88