Finding the Fourth Proportional to 2,551,133.30, 3,520,568.76 and 1,389,575.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551,133.30 : 3,520,568.76 = 1,389,575.98 : x
2. Step 2: Convert to fraction form
   2,551,133.30/3,520,568.76 = 1,389,575.98/x
3. Step 3: Cross multiply
   2,551,133.30x = 3,520,568.76 × 1,389,575.98
4. Step 4: Simplify right side
   2,551,133.30x = 4,892,097,767,231.54
5. Step 5: Solve for x
   x = 4,892,097,767,231.54/2,551,133.30
6. Step 6: Final answer
   x = 1,917,617.46