Finding the Fourth Proportional to 1,276,111.45, 1,761,112.25 and 703,151.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,111.45 : 1,761,112.25 = 703,151.47 : x
2. Step 2: Convert to fraction form
   1,276,111.45/1,761,112.25 = 703,151.47/x
3. Step 3: Cross multiply
   1,276,111.45x = 1,761,112.25 × 703,151.47
4. Step 4: Simplify right side
   1,276,111.45x = 1,238,328,667,422.51
5. Step 5: Solve for x
   x = 1,238,328,667,422.51/1,276,111.45
6. Step 6: Final answer
   x = 970,392.25