Finding the Fourth Proportional to 943,100.28, 1,301,437.73 and 513,379.69

Step by Step Solution

1. Step 1: Write the proportion equation
   943,100.28 : 1,301,437.73 = 513,379.69 : x
2. Step 2: Convert to fraction form
   943,100.28/1,301,437.73 = 513,379.69/x
3. Step 3: Cross multiply
   943,100.28x = 1,301,437.73 × 513,379.69
4. Step 4: Simplify right side
   943,100.28x = 668,131,696,411.56
5. Step 5: Solve for x
   x = 668,131,696,411.56/943,100.28
6. Step 6: Final answer
   x = 708,441.84