Finding the Fourth Proportional to 2,674,388.96, 4,012,174 and 991,492.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,674,388.96 : 4,012,174 = 991,492.48 : x
2. Step 2: Convert to fraction form
   2,674,388.96/4,012,174 = 991,492.48/x
3. Step 3: Cross multiply
   2,674,388.96x = 4,012,174 × 991,492.48
4. Step 4: Simplify right side
   2,674,388.96x = 3,978,040,349,451.52
5. Step 5: Solve for x
   x = 3,978,040,349,451.52/2,674,388.96
6. Step 6: Final answer
   x = 1,487,457.66