Finding the Fourth Proportional to 6,465,990.72, 8,922,746.54 and 3,674,749.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,465,990.72 : 8,922,746.54 = 3,674,749.05 : x
2. Step 2: Convert to fraction form
   6,465,990.72/8,922,746.54 = 3,674,749.05/x
3. Step 3: Cross multiply
   6,465,990.72x = 8,922,746.54 × 3,674,749.05
4. Step 4: Simplify right side
   6,465,990.72x = 32,788,854,345,013.30
5. Step 5: Solve for x
   x = 32,788,854,345,013.30/6,465,990.72
6. Step 6: Final answer
   x = 5,070,971.45