Finding the Fourth Proportional to 2,141,293.86, 3,210,923.76 and 1,243,011.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,293.86 : 3,210,923.76 = 1,243,011.12 : x
2. Step 2: Convert to fraction form
   2,141,293.86/3,210,923.76 = 1,243,011.12/x
3. Step 3: Cross multiply
   2,141,293.86x = 3,210,923.76 × 1,243,011.12
4. Step 4: Simplify right side
   2,141,293.86x = 3,991,213,939,152.21
5. Step 5: Solve for x
   x = 3,991,213,939,152.21/2,141,293.86
6. Step 6: Final answer
   x = 1,863,926.30