Finding the Fourth Proportional to 1,144,150.26, 1,716,502.86 and 345,384.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,150.26 : 1,716,502.86 = 345,384.09 : x
2. Step 2: Convert to fraction form
   1,144,150.26/1,716,502.86 = 345,384.09/x
3. Step 3: Cross multiply
   1,144,150.26x = 1,716,502.86 × 345,384.09
4. Step 4: Simplify right side
   1,144,150.26x = 592,852,778,283.50
5. Step 5: Solve for x
   x = 592,852,778,283.50/1,144,150.26
6. Step 6: Final answer
   x = 518,159.89