Finding the Fourth Proportional to 2,538,664.64, 3,808,992.72 and 1,117,724

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538,664.64 : 3,808,992.72 = 1,117,724 : x
2. Step 2: Convert to fraction form
   2,538,664.64/3,808,992.72 = 1,117,724/x
3. Step 3: Cross multiply
   2,538,664.64x = 3,808,992.72 × 1,117,724
4. Step 4: Simplify right side
   2,538,664.64x = 4,257,402,578,969.28
5. Step 5: Solve for x
   x = 4,257,402,578,969.28/2,538,664.64
6. Step 6: Final answer
   x = 1,677,024.41