Finding the Fourth Proportional to 10,317,068.82, 14,222,549.58 and 7,209,945.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,317,068.82 : 14,222,549.58 = 7,209,945.54 : x
2. Step 2: Convert to fraction form
   10,317,068.82/14,222,549.58 = 7,209,945.54/x
3. Step 3: Cross multiply
   10,317,068.82x = 14,222,549.58 × 7,209,945.54
4. Step 4: Simplify right side
   10,317,068.82x = 102,543,807,911,749.88
5. Step 5: Solve for x
   x = 102,543,807,911,749.88/10,317,068.82
6. Step 6: Final answer
   x = 9,939,238.53