Finding the Fourth Proportional to 1,146,417.72, 1,719,630.72 and 347,706.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,417.72 : 1,719,630.72 = 347,706.18 : x
2. Step 2: Convert to fraction form
   1,146,417.72/1,719,630.72 = 347,706.18/x
3. Step 3: Cross multiply
   1,146,417.72x = 1,719,630.72 × 347,706.18
4. Step 4: Simplify right side
   1,146,417.72x = 597,926,228,661.85
5. Step 5: Solve for x
   x = 597,926,228,661.85/1,146,417.72
6. Step 6: Final answer
   x = 521,560.53