Finding the Fourth Proportional to 133,388.17, 184,074.34 and 72,960.00

Step by Step Solution

1. Step 1: Write the proportion equation
   133,388.17 : 184,074.34 = 72,960.00 : x
2. Step 2: Convert to fraction form
   133,388.17/184,074.34 = 72,960.00/x
3. Step 3: Cross multiply
   133,388.17x = 184,074.34 × 72,960.00
4. Step 4: Simplify right side
   133,388.17x = 13,430,063,110.52
5. Step 5: Solve for x
   x = 13,430,063,110.52/133,388.17
6. Step 6: Final answer
   x = 100,684.06