Finding the Fourth Proportional to 7,381,131.81, 10,185,968.27 and 4,117,947.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,381,131.81 : 10,185,968.27 = 4,117,947.20 : x
2. Step 2: Convert to fraction form
   7,381,131.81/10,185,968.27 = 4,117,947.20/x
3. Step 3: Cross multiply
   7,381,131.81x = 10,185,968.27 × 4,117,947.20
4. Step 4: Simplify right side
   7,381,131.81x = 41,945,279,560,010.04
5. Step 5: Solve for x
   x = 41,945,279,560,010.04/7,381,131.81
6. Step 6: Final answer
   x = 5,682,770.70