Finding the Fourth Proportional to 28,778.04, 43,167.15 and 10,058.00

Step by Step Solution

1. Step 1: Write the proportion equation
   28,778.04 : 43,167.15 = 10,058.00 : x
2. Step 2: Convert to fraction form
   28,778.04/43,167.15 = 10,058.00/x
3. Step 3: Cross multiply
   28,778.04x = 43,167.15 × 10,058.00
4. Step 4: Simplify right side
   28,778.04x = 434,174,978.86
5. Step 5: Solve for x
   x = 434,174,978.86/28,778.04
6. Step 6: Final answer
   x = 15,087.02