Finding the Fourth Proportional to 1,399,610.18, 2,099,748.38 and 452,980.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,610.18 : 2,099,748.38 = 452,980.86 : x
2. Step 2: Convert to fraction form
   1,399,610.18/2,099,748.38 = 452,980.86/x
3. Step 3: Cross multiply
   1,399,610.18x = 2,099,748.38 × 452,980.86
4. Step 4: Simplify right side
   1,399,610.18x = 951,145,824,691.10
5. Step 5: Solve for x
   x = 951,145,824,691.10/1,399,610.18
6. Step 6: Final answer
   x = 679,579.10