Finding the Fourth Proportional to 2,145,222.12, 2,960,424.15 and 1,178,373.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,222.12 : 2,960,424.15 = 1,178,373.99 : x
2. Step 2: Convert to fraction form
   2,145,222.12/2,960,424.15 = 1,178,373.99/x
3. Step 3: Cross multiply
   2,145,222.12x = 2,960,424.15 × 1,178,373.99
4. Step 4: Simplify right side
   2,145,222.12x = 3,488,486,817,727.86
5. Step 5: Solve for x
   x = 3,488,486,817,727.86/2,145,222.12
6. Step 6: Final answer
   x = 1,626,165.79