Finding the Fourth Proportional to 2,069,719.64, 3,105,092 and 991,052.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069,719.64 : 3,105,092 = 991,052.96 : x
2. Step 2: Convert to fraction form
   2,069,719.64/3,105,092 = 991,052.96/x
3. Step 3: Cross multiply
   2,069,719.64x = 3,105,092 × 991,052.96
4. Step 4: Simplify right side
   2,069,719.64x = 3,077,310,617,672.32
5. Step 5: Solve for x
   x = 3,077,310,617,672.32/2,069,719.64
6. Step 6: Final answer
   x = 1,486,824.86