Finding the Fourth Proportional to 6,969,837.31, 10,451,166.25 and 3,128,366.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,969,837.31 : 10,451,166.25 = 3,128,366.53 : x
2. Step 2: Convert to fraction form
   6,969,837.31/10,451,166.25 = 3,128,366.53/x
3. Step 3: Cross multiply
   6,969,837.31x = 10,451,166.25 × 3,128,366.53
4. Step 4: Simplify right side
   6,969,837.31x = 32,695,078,714,272.62
5. Step 5: Solve for x
   x = 32,695,078,714,272.62/6,969,837.31
6. Step 6: Final answer
   x = 4,690,938.58