Finding the Fourth Proportional to 2,623,341.34, 3,936,155.64 and 918,707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623,341.34 : 3,936,155.64 = 918,707.50 : x
2. Step 2: Convert to fraction form
   2,623,341.34/3,936,155.64 = 918,707.50/x
3. Step 3: Cross multiply
   2,623,341.34x = 3,936,155.64 × 918,707.50
4. Step 4: Simplify right side
   2,623,341.34x = 3,616,175,707,635.30
5. Step 5: Solve for x
   x = 3,616,175,707,635.30/2,623,341.34
6. Step 6: Final answer
   x = 1,378,461.76