Finding the Fourth Proportional to 2,228,880.74, 3,076,180.61 and 1,248,886.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228,880.74 : 3,076,180.61 = 1,248,886.07 : x
2. Step 2: Convert to fraction form
   2,228,880.74/3,076,180.61 = 1,248,886.07/x
3. Step 3: Cross multiply
   2,228,880.74x = 3,076,180.61 × 1,248,886.07
4. Step 4: Simplify right side
   2,228,880.74x = 3,841,799,114,079.12
5. Step 5: Solve for x
   x = 3,841,799,114,079.12/2,228,880.74
6. Step 6: Final answer
   x = 1,723,644.99