Finding the Fourth Proportional to 5,200,510.61, 7,176,665.60 and 2,908,671.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200,510.61 : 7,176,665.60 = 2,908,671.29 : x
2. Step 2: Convert to fraction form
   5,200,510.61/7,176,665.60 = 2,908,671.29/x
3. Step 3: Cross multiply
   5,200,510.61x = 7,176,665.60 × 2,908,671.29
4. Step 4: Simplify right side
   5,200,510.61x = 20,874,561,138,223.94
5. Step 5: Solve for x
   x = 20,874,561,138,223.94/5,200,510.61
6. Step 6: Final answer
   x = 4,013,944.54