Finding the Fourth Proportional to 2,578,489.98, 3,558,426.90 and 1,432,570.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,489.98 : 3,558,426.90 = 1,432,570.35 : x
2. Step 2: Convert to fraction form
   2,578,489.98/3,558,426.90 = 1,432,570.35/x
3. Step 3: Cross multiply
   2,578,489.98x = 3,558,426.90 × 1,432,570.35
4. Step 4: Simplify right side
   2,578,489.98x = 5,097,696,869,582.42
5. Step 5: Solve for x
   x = 5,097,696,869,582.42/2,578,489.98
6. Step 6: Final answer
   x = 1,977,008.60