Finding the Fourth Proportional to 28,835.18, 43,259.98 and 8,058.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,835.18 : 43,259.98 = 8,058.50 : x
2. Step 2: Convert to fraction form
   28,835.18/43,259.98 = 8,058.50/x
3. Step 3: Cross multiply
   28,835.18x = 43,259.98 × 8,058.50
4. Step 4: Simplify right side
   28,835.18x = 348,610,548.83
5. Step 5: Solve for x
   x = 348,610,548.83/28,835.18
6. Step 6: Final answer
   x = 12,089.76