Finding the Fourth Proportional to 13,150.61, 19,726.04 and 4,830.77

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.61 : 19,726.04 = 4,830.77 : x
2. Step 2: Convert to fraction form
   13,150.61/19,726.04 = 4,830.77/x
3. Step 3: Cross multiply
   13,150.61x = 19,726.04 × 4,830.77
4. Step 4: Simplify right side
   13,150.61x = 95,291,938.10
5. Step 5: Solve for x
   x = 95,291,938.10/13,150.61
6. Step 6: Final answer
   x = 7,246.20