Finding the Fourth Proportional to 9,457,320, 13,051,116.18 and 5,382,939

Step by Step Solution

1. Step 1: Write the proportion equation
   9,457,320 : 13,051,116.18 = 5,382,939 : x
2. Step 2: Convert to fraction form
   9,457,320/13,051,116.18 = 5,382,939/x
3. Step 3: Cross multiply
   9,457,320x = 13,051,116.18 × 5,382,939
4. Step 4: Simplify right side
   9,457,320x = 70,253,362,278,853.02
5. Step 5: Solve for x
   x = 70,253,362,278,853.02/9,457,320
6. Step 6: Final answer
   x = 7,428,464.12