Finding the Fourth Proportional to 770,527.84, 1,156,020.72 and 371,053.12

Step by Step Solution

1. Step 1: Write the proportion equation
   770,527.84 : 1,156,020.72 = 371,053.12 : x
2. Step 2: Convert to fraction form
   770,527.84/1,156,020.72 = 371,053.12/x
3. Step 3: Cross multiply
   770,527.84x = 1,156,020.72 × 371,053.12
4. Step 4: Simplify right side
   770,527.84x = 428,945,094,940.65
5. Step 5: Solve for x
   x = 428,945,094,940.65/770,527.84
6. Step 6: Final answer
   x = 556,689.94