Finding the Fourth Proportional to 2,129,490.24, 2,938,247.40 and 1,354,841.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,490.24 : 2,938,247.40 = 1,354,841.34 : x
2. Step 2: Convert to fraction form
   2,129,490.24/2,938,247.40 = 1,354,841.34/x
3. Step 3: Cross multiply
   2,129,490.24x = 2,938,247.40 × 1,354,841.34
4. Step 4: Simplify right side
   2,129,490.24x = 3,980,859,044,667.52
5. Step 5: Solve for x
   x = 3,980,859,044,667.52/2,129,490.24
6. Step 6: Final answer
   x = 1,869,395.30