Finding the Fourth Proportional to 105,977.47, 146,148.69 and 69,614.74

Step by Step Solution

1. Step 1: Write the proportion equation
   105,977.47 : 146,148.69 = 69,614.74 : x
2. Step 2: Convert to fraction form
   105,977.47/146,148.69 = 69,614.74/x
3. Step 3: Cross multiply
   105,977.47x = 146,148.69 × 69,614.74
4. Step 4: Simplify right side
   105,977.47x = 10,174,103,055.69
5. Step 5: Solve for x
   x = 10,174,103,055.69/105,977.47
6. Step 6: Final answer
   x = 96,002.51