Finding the Fourth Proportional to 122,563.30, 183,714.15 and 69,859.30

Step by Step Solution

1. Step 1: Write the proportion equation
   122,563.30 : 183,714.15 = 69,859.30 : x
2. Step 2: Convert to fraction form
   122,563.30/183,714.15 = 69,859.30/x
3. Step 3: Cross multiply
   122,563.30x = 183,714.15 × 69,859.30
4. Step 4: Simplify right side
   122,563.30x = 12,834,141,919.10
5. Step 5: Solve for x
   x = 12,834,141,919.10/122,563.30
6. Step 6: Final answer
   x = 104,714.40