Finding the Fourth Proportional to 1,384,085.94, 2,076,116.15 and 437,457.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384,085.94 : 2,076,116.15 = 437,457.17 : x
2. Step 2: Convert to fraction form
   1,384,085.94/2,076,116.15 = 437,457.17/x
3. Step 3: Cross multiply
   1,384,085.94x = 2,076,116.15 × 437,457.17
4. Step 4: Simplify right side
   1,384,085.94x = 908,211,883,002.43
5. Step 5: Solve for x
   x = 908,211,883,002.43/1,384,085.94
6. Step 6: Final answer
   x = 656,181.71