Finding the Fourth Proportional to 10,270,905.57, 14,173,676.60 and 5,687,128.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,270,905.57 : 14,173,676.60 = 5,687,128.53 : x
2. Step 2: Convert to fraction form
   10,270,905.57/14,173,676.60 = 5,687,128.53/x
3. Step 3: Cross multiply
   10,270,905.57x = 14,173,676.60 × 5,687,128.53
4. Step 4: Simplify right side
   10,270,905.57x = 80,607,520,538,417.77
5. Step 5: Solve for x
   x = 80,607,520,538,417.77/10,270,905.57
6. Step 6: Final answer
   x = 7,848,141.53