Finding the Fourth Proportional to 2,685,376.88, 3,705,710.76 and 1,538,659.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685,376.88 : 3,705,710.76 = 1,538,659.76 : x
2. Step 2: Convert to fraction form
   2,685,376.88/3,705,710.76 = 1,538,659.76/x
3. Step 3: Cross multiply
   2,685,376.88x = 3,705,710.76 × 1,538,659.76
4. Step 4: Simplify right side
   2,685,376.88x = 5,701,828,028,611.02
5. Step 5: Solve for x
   x = 5,701,828,028,611.02/2,685,376.88
6. Step 6: Final answer
   x = 2,123,287.82