Finding the Fourth Proportional to 5,326,128, 7,350,082.56 and 2,911,680

Step by Step Solution

1. Step 1: Write the proportion equation
   5,326,128 : 7,350,082.56 = 2,911,680 : x
2. Step 2: Convert to fraction form
   5,326,128/7,350,082.56 = 2,911,680/x
3. Step 3: Cross multiply
   5,326,128x = 7,350,082.56 × 2,911,680
4. Step 4: Simplify right side
   5,326,128x = 21,401,088,388,300.80
5. Step 5: Solve for x
   x = 21,401,088,388,300.80/5,326,128
6. Step 6: Final answer
   x = 4,018,132.57