Finding the Fourth Proportional to 119,412.72, 164,791.53 and 65,700

Step by Step Solution

1. Step 1: Write the proportion equation
   119,412.72 : 164,791.53 = 65,700 : x
2. Step 2: Convert to fraction form
   119,412.72/164,791.53 = 65,700/x
3. Step 3: Cross multiply
   119,412.72x = 164,791.53 × 65,700
4. Step 4: Simplify right side
   119,412.72x = 10,826,803,521
5. Step 5: Solve for x
   x = 10,826,803,521/119,412.72
6. Step 6: Final answer
   x = 90,667.09