Finding the Fourth Proportional to 770,598.72, 1,155,406.01 and 370,443.33

Step by Step Solution

1. Step 1: Write the proportion equation
   770,598.72 : 1,155,406.01 = 370,443.33 : x
2. Step 2: Convert to fraction form
   770,598.72/1,155,406.01 = 370,443.33/x
3. Step 3: Cross multiply
   770,598.72x = 1,155,406.01 × 370,443.33
4. Step 4: Simplify right side
   770,598.72x = 428,012,447,994.20
5. Step 5: Solve for x
   x = 428,012,447,994.20/770,598.72
6. Step 6: Final answer
   x = 555,428.44