Finding the Fourth Proportional to 5,123,747.30, 7,685,498.43 and 1,665,482.65

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123,747.30 : 7,685,498.43 = 1,665,482.65 : x
2. Step 2: Convert to fraction form
   5,123,747.30/7,685,498.43 = 1,665,482.65/x
3. Step 3: Cross multiply
   5,123,747.30x = 7,685,498.43 × 1,665,482.65
4. Step 4: Simplify right side
   5,123,747.30x = 12,800,064,291,767.24
5. Step 5: Solve for x
   x = 12,800,064,291,767.24/5,123,747.30
6. Step 6: Final answer
   x = 2,498,184.15