Finding the Fourth Proportional to 1,423,168.02, 1,964,613.12 and 907,613.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423,168.02 : 1,964,613.12 = 907,613.76 : x
2. Step 2: Convert to fraction form
   1,423,168.02/1,964,613.12 = 907,613.76/x
3. Step 3: Cross multiply
   1,423,168.02x = 1,964,613.12 × 907,613.76
4. Step 4: Simplify right side
   1,423,168.02x = 1,783,109,900,788.53
5. Step 5: Solve for x
   x = 1,783,109,900,788.53/1,423,168.02
6. Step 6: Final answer
   x = 1,252,915.94