Finding the Fourth Proportional to 1,426,178.72, 1,968,129.42 and 781,622.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,178.72 : 1,968,129.42 = 781,622.84 : x
2. Step 2: Convert to fraction form
   1,426,178.72/1,968,129.42 = 781,622.84/x
3. Step 3: Cross multiply
   1,426,178.72x = 1,968,129.42 × 781,622.84
4. Step 4: Simplify right side
   1,426,178.72x = 1,538,334,906,747.95
5. Step 5: Solve for x
   x = 1,538,334,906,747.95/1,426,178.72
6. Step 6: Final answer
   x = 1,078,641.05