Finding the Fourth Proportional to 1,672,696.40, 2,308,308.72 and 908,756.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,696.40 : 2,308,308.72 = 908,756.24 : x
2. Step 2: Convert to fraction form
   1,672,696.40/2,308,308.72 = 908,756.24/x
3. Step 3: Cross multiply
   1,672,696.40x = 2,308,308.72 × 908,756.24
4. Step 4: Simplify right side
   1,672,696.40x = 2,097,689,953,146.41
5. Step 5: Solve for x
   x = 2,097,689,953,146.41/1,672,696.40
6. Step 6: Final answer
   x = 1,254,076.92