Finding the Fourth Proportional to 120,096.72, 165,748.68 and 69,786

Step by Step Solution

1. Step 1: Write the proportion equation
   120,096.72 : 165,748.68 = 69,786 : x
2. Step 2: Convert to fraction form
   120,096.72/165,748.68 = 69,786/x
3. Step 3: Cross multiply
   120,096.72x = 165,748.68 × 69,786
4. Step 4: Simplify right side
   120,096.72x = 11,566,937,382.48
5. Step 5: Solve for x
   x = 11,566,937,382.48/120,096.72
6. Step 6: Final answer
   x = 96,313.52