Finding the Fourth Proportional to 1,276,385.23, 1,761,102.27 and 724,978.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,385.23 : 1,761,102.27 = 724,978.27 : x
2. Step 2: Convert to fraction form
   1,276,385.23/1,761,102.27 = 724,978.27/x
3. Step 3: Cross multiply
   1,276,385.23x = 1,761,102.27 × 724,978.27
4. Step 4: Simplify right side
   1,276,385.23x = 1,276,760,876,997.67
5. Step 5: Solve for x
   x = 1,276,760,876,997.67/1,276,385.23
6. Step 6: Final answer
   x = 1,000,294.31