Finding the Fourth Proportional to 4,746.21, 7,123.69 and 2,407.86

Step by Step Solution

1. Step 1: Write the proportion equation
   4,746.21 : 7,123.69 = 2,407.86 : x
2. Step 2: Convert to fraction form
   4,746.21/7,123.69 = 2,407.86/x
3. Step 3: Cross multiply
   4,746.21x = 7,123.69 × 2,407.86
4. Step 4: Simplify right side
   4,746.21x = 17,152,848.20
5. Step 5: Solve for x
   x = 17,152,848.20/4,746.21
6. Step 6: Final answer
   x = 3,614.01