Finding the Fourth Proportional to 2,139,345.49, 2,950,596.15 and 1,818,118.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,345.49 : 2,950,596.15 = 1,818,118.93 : x
2. Step 2: Convert to fraction form
   2,139,345.49/2,950,596.15 = 1,818,118.93/x
3. Step 3: Cross multiply
   2,139,345.49x = 2,950,596.15 × 1,818,118.93
4. Step 4: Simplify right side
   2,139,345.49x = 5,364,534,715,100.12
5. Step 5: Solve for x
   x = 5,364,534,715,100.12/2,139,345.49
6. Step 6: Final answer
   x = 2,507,558.85