Finding the Fourth Proportional to 2,807,903.34, 4,212,379.89 and 1,125,138.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,807,903.34 : 4,212,379.89 = 1,125,138.06 : x
2. Step 2: Convert to fraction form
   2,807,903.34/4,212,379.89 = 1,125,138.06/x
3. Step 3: Cross multiply
   2,807,903.34x = 4,212,379.89 × 1,125,138.06
4. Step 4: Simplify right side
   2,807,903.34x = 4,739,508,937,417.61
5. Step 5: Solve for x
   x = 4,739,508,937,417.61/2,807,903.34
6. Step 6: Final answer
   x = 1,687,917.41