Finding the Fourth Proportional to 12,407,379.82, 17,119,649.31 and 7,249,744.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,407,379.82 : 17,119,649.31 = 7,249,744.90 : x
2. Step 2: Convert to fraction form
   12,407,379.82/17,119,649.31 = 7,249,744.90/x
3. Step 3: Cross multiply
   12,407,379.82x = 17,119,649.31 × 7,249,744.90
4. Step 4: Simplify right side
   12,407,379.82x = 124,113,090,274,961.02
5. Step 5: Solve for x
   x = 124,113,090,274,961.02/12,407,379.82
6. Step 6: Final answer
   x = 10,003,166.83