Finding the Fourth Proportional to 1,279,705.04, 1,917,302.52 and 1,140,704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,705.04 : 1,917,302.52 = 1,140,704.72 : x
2. Step 2: Convert to fraction form
   1,279,705.04/1,917,302.52 = 1,140,704.72/x
3. Step 3: Cross multiply
   1,279,705.04x = 1,917,302.52 × 1,140,704.72
4. Step 4: Simplify right side
   1,279,705.04x = 2,187,076,034,231.89
5. Step 5: Solve for x
   x = 2,187,076,034,231.89/1,279,705.04
6. Step 6: Final answer
   x = 1,709,046.98