Finding the Fourth Proportional to 4,991,196.72, 7,486,499.88 and 1,396,884.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,991,196.72 : 7,486,499.88 = 1,396,884.12 : x
2. Step 2: Convert to fraction form
   4,991,196.72/7,486,499.88 = 1,396,884.12/x
3. Step 3: Cross multiply
   4,991,196.72x = 7,486,499.88 × 1,396,884.12
4. Step 4: Simplify right side
   4,991,196.72x = 10,457,772,796,753.91
5. Step 5: Solve for x
   x = 10,457,772,796,753.91/4,991,196.72
6. Step 6: Final answer
   x = 2,095,243.56