Finding the Fourth Proportional to 13,154,628.78, 19,730,994.53 and 4,055,776.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,154,628.78 : 19,730,994.53 = 4,055,776.56 : x
2. Step 2: Convert to fraction form
   13,154,628.78/19,730,994.53 = 4,055,776.56/x
3. Step 3: Cross multiply
   13,154,628.78x = 19,730,994.53 × 4,055,776.56
4. Step 4: Simplify right side
   13,154,628.78x = 80,024,505,099,983.33
5. Step 5: Solve for x
   x = 80,024,505,099,983.33/13,154,628.78
6. Step 6: Final answer
   x = 6,083,372.36