Finding the Fourth Proportional to 945,063.50, 1,304,140.28 and 537,111.45

Step by Step Solution

1. Step 1: Write the proportion equation
   945,063.50 : 1,304,140.28 = 537,111.45 : x
2. Step 2: Convert to fraction form
   945,063.50/1,304,140.28 = 537,111.45/x
3. Step 3: Cross multiply
   945,063.50x = 1,304,140.28 × 537,111.45
4. Step 4: Simplify right side
   945,063.50x = 700,468,674,108.65
5. Step 5: Solve for x
   x = 700,468,674,108.65/945,063.50
6. Step 6: Final answer
   x = 741,186.89