Finding the Fourth Proportional to 2,145,738.42, 2,961,151.74 and 1,178,887.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,738.42 : 2,961,151.74 = 1,178,887.59 : x
2. Step 2: Convert to fraction form
   2,145,738.42/2,961,151.74 = 1,178,887.59/x
3. Step 3: Cross multiply
   2,145,738.42x = 2,961,151.74 × 1,178,887.59
4. Step 4: Simplify right side
   2,145,738.42x = 3,490,865,038,392.91
5. Step 5: Solve for x
   x = 3,490,865,038,392.91/2,145,738.42
6. Step 6: Final answer
   x = 1,626,882.85