Finding the Fourth Proportional to 117,425,745.05, 162,047,906.82 and 65,214,780.71

Step by Step Solution

1. Step 1: Write the proportion equation
   117,425,745.05 : 162,047,906.82 = 65,214,780.71 : x
2. Step 2: Convert to fraction form
   117,425,745.05/162,047,906.82 = 65,214,780.71/x
3. Step 3: Cross multiply
   117,425,745.05x = 162,047,906.82 × 65,214,780.71
4. Step 4: Simplify right side
   117,425,745.05x = 10,567,918,707,780,814
5. Step 5: Solve for x
   x = 10,567,918,707,780,814/117,425,745.05
6. Step 6: Final answer
   x = 89,996,607.67