Finding the Fourth Proportional to 1,384,536.64, 2,076,804.72 and 585,610.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384,536.64 : 2,076,804.72 = 585,610.72 : x
2. Step 2: Convert to fraction form
   1,384,536.64/2,076,804.72 = 585,610.72/x
3. Step 3: Cross multiply
   1,384,536.64x = 2,076,804.72 × 585,610.72
4. Step 4: Simplify right side
   1,384,536.64x = 1,216,199,107,378.60
5. Step 5: Solve for x
   x = 1,216,199,107,378.60/1,384,536.64
6. Step 6: Final answer
   x = 878,415.98