Finding the Fourth Proportional to 2,970,128.42, 4,457,066.78 and 1,264,269

Step by Step Solution

1. Step 1: Write the proportion equation
   2,970,128.42 : 4,457,066.78 = 1,264,269 : x
2. Step 2: Convert to fraction form
   2,970,128.42/4,457,066.78 = 1,264,269/x
3. Step 3: Cross multiply
   2,970,128.42x = 4,457,066.78 × 1,264,269
4. Step 4: Simplify right side
   2,970,128.42x = 5,634,931,354,562.48
5. Step 5: Solve for x
   x = 5,634,931,354,562.48/2,970,128.42
6. Step 6: Final answer
   x = 1,897,201.25