Finding the Fourth Proportional to 3,905,973.89, 5,856,820.25 and 1,209,550.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,905,973.89 : 5,856,820.25 = 1,209,550.51 : x
2. Step 2: Convert to fraction form
   3,905,973.89/5,856,820.25 = 1,209,550.51/x
3. Step 3: Cross multiply
   3,905,973.89x = 5,856,820.25 × 1,209,550.51
4. Step 4: Simplify right side
   3,905,973.89x = 7,084,119,920,365.83
5. Step 5: Solve for x
   x = 7,084,119,920,365.83/3,905,973.89
6. Step 6: Final answer
   x = 1,813,662.90