Finding the Fourth Proportional to 2,076,262.72, 2,865,244.80 and 1,216,651.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076,262.72 : 2,865,244.80 = 1,216,651.84 : x
2. Step 2: Convert to fraction form
   2,076,262.72/2,865,244.80 = 1,216,651.84/x
3. Step 3: Cross multiply
   2,076,262.72x = 2,865,244.80 × 1,216,651.84
4. Step 4: Simplify right side
   2,076,262.72x = 3,486,005,357,970.43
5. Step 5: Solve for x
   x = 3,486,005,357,970.43/2,076,262.72
6. Step 6: Final answer
   x = 1,678,980.86