Finding the Fourth Proportional to 1,741,978.42, 2,403,930.21 and 978,048.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,741,978.42 : 2,403,930.21 = 978,048.40 : x
2. Step 2: Convert to fraction form
   1,741,978.42/2,403,930.21 = 978,048.40/x
3. Step 3: Cross multiply
   1,741,978.42x = 2,403,930.21 × 978,048.40
4. Step 4: Simplify right side
   1,741,978.42x = 2,351,160,095,602.16
5. Step 5: Solve for x
   x = 2,351,160,095,602.16/1,741,978.42
6. Step 6: Final answer
   x = 1,349,706.79