Finding the Fourth Proportional to 1,174,375.52, 1,620,583.98 and 665,081.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174,375.52 : 1,620,583.98 = 665,081.56 : x
2. Step 2: Convert to fraction form
   1,174,375.52/1,620,583.98 = 665,081.56/x
3. Step 3: Cross multiply
   1,174,375.52x = 1,620,583.98 × 665,081.56
4. Step 4: Simplify right side
   1,174,375.52x = 1,077,820,521,529.41
5. Step 5: Solve for x
   x = 1,077,820,521,529.41/1,174,375.52
6. Step 6: Final answer
   x = 917,781.84