Finding the Fourth Proportional to 133,008.02, 183,555.50 and 72,581.98

Step by Step Solution

1. Step 1: Write the proportion equation
   133,008.02 : 183,555.50 = 72,581.98 : x
2. Step 2: Convert to fraction form
   133,008.02/183,555.50 = 72,581.98/x
3. Step 3: Cross multiply
   133,008.02x = 183,555.50 × 72,581.98
4. Step 4: Simplify right side
   133,008.02x = 13,322,821,629.89
5. Step 5: Solve for x
   x = 13,322,821,629.89/133,008.02
6. Step 6: Final answer
   x = 100,165.55