Finding the Fourth Proportional to 12,705,892.74, 19,058,790.51 and 3,607,990.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705,892.74 : 19,058,790.51 = 3,607,990.56 : x
2. Step 2: Convert to fraction form
   12,705,892.74/19,058,790.51 = 3,607,990.56/x
3. Step 3: Cross multiply
   12,705,892.74x = 19,058,790.51 × 3,607,990.56
4. Step 4: Simplify right side
   12,705,892.74x = 68,763,936,245,097.59
5. Step 5: Solve for x
   x = 68,763,936,245,097.59/12,705,892.74
6. Step 6: Final answer
   x = 5,411,972.04