Finding the Fourth Proportional to 122,830.82, 169,509.83 and 69,117.72

Step by Step Solution

1. Step 1: Write the proportion equation
   122,830.82 : 169,509.83 = 69,117.72 : x
2. Step 2: Convert to fraction form
   122,830.82/169,509.83 = 69,117.72/x
3. Step 3: Cross multiply
   122,830.82x = 169,509.83 × 69,117.72
4. Step 4: Simplify right side
   122,830.82x = 11,716,132,621.60
5. Step 5: Solve for x
   x = 11,716,132,621.60/122,830.82
6. Step 6: Final answer
   x = 95,384.31