Finding the Fourth Proportional to 133,499.32, 184,228.39 and 72,245.46

Step by Step Solution

1. Step 1: Write the proportion equation
   133,499.32 : 184,228.39 = 72,245.46 : x
2. Step 2: Convert to fraction form
   133,499.32/184,228.39 = 72,245.46/x
3. Step 3: Cross multiply
   133,499.32x = 184,228.39 × 72,245.46
4. Step 4: Simplify right side
   133,499.32x = 13,309,664,780.61
5. Step 5: Solve for x
   x = 13,309,664,780.61/133,499.32
6. Step 6: Final answer
   x = 99,698.37