Finding the Fourth Proportional to 1,384,746.30, 2,076,911.69 and 437,994

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384,746.30 : 2,076,911.69 = 437,994 : x
2. Step 2: Convert to fraction form
   1,384,746.30/2,076,911.69 = 437,994/x
3. Step 3: Cross multiply
   1,384,746.30x = 2,076,911.69 × 437,994
4. Step 4: Simplify right side
   1,384,746.30x = 909,674,856,559.89
5. Step 5: Solve for x
   x = 909,674,856,559.89/1,384,746.30
6. Step 6: Final answer
   x = 656,925.28