Finding the Fourth Proportional to 13,128,076.72, 19,691,403.27 and 4,030,176.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,128,076.72 : 19,691,403.27 = 4,030,176.16 : x
2. Step 2: Convert to fraction form
   13,128,076.72/19,691,403.27 = 4,030,176.16/x
3. Step 3: Cross multiply
   13,128,076.72x = 19,691,403.27 × 4,030,176.16
4. Step 4: Simplify right side
   13,128,076.72x = 79,359,824,015,700.05
5. Step 5: Solve for x
   x = 79,359,824,015,700.05/13,128,076.72
6. Step 6: Final answer
   x = 6,045,045.72