Finding the Fourth Proportional to 12,895,997.58, 17,789,086.35 and 8,058,703.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,895,997.58 : 17,789,086.35 = 8,058,703.50 : x
2. Step 2: Convert to fraction form
   12,895,997.58/17,789,086.35 = 8,058,703.50/x
3. Step 3: Cross multiply
   12,895,997.58x = 17,789,086.35 × 8,058,703.50
4. Step 4: Simplify right side
   12,895,997.58x = 143,356,972,430,547.25
5. Step 5: Solve for x
   x = 143,356,972,430,547.25/12,895,997.58
6. Step 6: Final answer
   x = 11,116,392.63