Finding the Fourth Proportional to 73,760.91, 110,685.12 and 69,090.76

Step by Step Solution

1. Step 1: Write the proportion equation
   73,760.91 : 110,685.12 = 69,090.76 : x
2. Step 2: Convert to fraction form
   73,760.91/110,685.12 = 69,090.76/x
3. Step 3: Cross multiply
   73,760.91x = 110,685.12 × 69,090.76
4. Step 4: Simplify right side
   73,760.91x = 7,647,319,061.49
5. Step 5: Solve for x
   x = 7,647,319,061.49/73,760.91
6. Step 6: Final answer
   x = 103,677.12