Finding the Fourth Proportional to 6,815,906.72, 9,406,415.76 and 3,954,338.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,815,906.72 : 9,406,415.76 = 3,954,338.72 : x
2. Step 2: Convert to fraction form
   6,815,906.72/9,406,415.76 = 3,954,338.72/x
3. Step 3: Cross multiply
   6,815,906.72x = 9,406,415.76 × 3,954,338.72
4. Step 4: Simplify right side
   6,815,906.72x = 37,196,154,056,186.23
5. Step 5: Solve for x
   x = 37,196,154,056,186.23/6,815,906.72
6. Step 6: Final answer
   x = 5,457,256.91