Finding the Fourth Proportional to 2,490,141.84, 3,436,487.40 and 1,387,672.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490,141.84 : 3,436,487.40 = 1,387,672.32 : x
2. Step 2: Convert to fraction form
   2,490,141.84/3,436,487.40 = 1,387,672.32/x
3. Step 3: Cross multiply
   2,490,141.84x = 3,436,487.40 × 1,387,672.32
4. Step 4: Simplify right side
   2,490,141.84x = 4,768,718,443,008.77
5. Step 5: Solve for x
   x = 4,768,718,443,008.77/2,490,141.84
6. Step 6: Final answer
   x = 1,915,038.88