Finding the Fourth Proportional to 133,185.60, 183,798.18 and 72,755.82

Step by Step Solution

1. Step 1: Write the proportion equation
   133,185.60 : 183,798.18 = 72,755.82 : x
2. Step 2: Convert to fraction form
   133,185.60/183,798.18 = 72,755.82/x
3. Step 3: Cross multiply
   133,185.60x = 183,798.18 × 72,755.82
4. Step 4: Simplify right side
   133,185.60x = 13,372,387,300.41
5. Step 5: Solve for x
   x = 13,372,387,300.41/133,185.60
6. Step 6: Final answer
   x = 100,404.15