Finding the Fourth Proportional to 87,131.00, 120,233.77 and 48,885.30

Step by Step Solution

1. Step 1: Write the proportion equation
   87,131.00 : 120,233.77 = 48,885.30 : x
2. Step 2: Convert to fraction form
   87,131.00/120,233.77 = 48,885.30/x
3. Step 3: Cross multiply
   87,131.00x = 120,233.77 × 48,885.30
4. Step 4: Simplify right side
   87,131.00x = 5,877,663,794.37
5. Step 5: Solve for x
   x = 5,877,663,794.37/87,131.00
6. Step 6: Final answer
   x = 67,457.78