Finding the Fourth Proportional to 89,559,517.52, 134,332,797.18 and 28,166,238.20

Step by Step Solution

1. Step 1: Write the proportion equation
   89,559,517.52 : 134,332,797.18 = 28,166,238.20 : x
2. Step 2: Convert to fraction form
   89,559,517.52/134,332,797.18 = 28,166,238.20/x
3. Step 3: Cross multiply
   89,559,517.52x = 134,332,797.18 × 28,166,238.20
4. Step 4: Simplify right side
   89,559,517.52x = 3,783,649,563,444,168.50
5. Step 5: Solve for x
   x = 3,783,649,563,444,168.50/89,559,517.52
6. Step 6: Final answer
   x = 42,247,319.64