Finding the Fourth Proportional to 3,779,111.70, 5,668,641.63 and 939,219.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,779,111.70 : 5,668,641.63 = 939,219.30 : x
2. Step 2: Convert to fraction form
   3,779,111.70/5,668,641.63 = 939,219.30/x
3. Step 3: Cross multiply
   3,779,111.70x = 5,668,641.63 × 939,219.30
4. Step 4: Simplify right side
   3,779,111.70x = 5,324,097,623,679.46
5. Step 5: Solve for x
   x = 5,324,097,623,679.46/3,779,111.70
6. Step 6: Final answer
   x = 1,408,822.51