Finding the Fourth Proportional to 104,738.10, 156,934.35 and 89,186.10

Step by Step Solution

1. Step 1: Write the proportion equation
   104,738.10 : 156,934.35 = 89,186.10 : x
2. Step 2: Convert to fraction form
   104,738.10/156,934.35 = 89,186.10/x
3. Step 3: Cross multiply
   104,738.10x = 156,934.35 × 89,186.10
4. Step 4: Simplify right side
   104,738.10x = 13,996,362,632.54
5. Step 5: Solve for x
   x = 13,996,362,632.54/104,738.10
6. Step 6: Final answer
   x = 133,632.01