Finding the Fourth Proportional to 5,434,855.53, 7,500,116.21 and 3,111,783.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,434,855.53 : 7,500,116.21 = 3,111,783.69 : x
2. Step 2: Convert to fraction form
   5,434,855.53/7,500,116.21 = 3,111,783.69/x
3. Step 3: Cross multiply
   5,434,855.53x = 7,500,116.21 × 3,111,783.69
4. Step 4: Simplify right side
   5,434,855.53x = 23,338,739,295,382.61
5. Step 5: Solve for x
   x = 23,338,739,295,382.61/5,434,855.53
6. Step 6: Final answer
   x = 4,294,270.41