Finding the Fourth Proportional to 133,152.51, 183,749.49 and 72,723.15

Step by Step Solution

1. Step 1: Write the proportion equation
   133,152.51 : 183,749.49 = 72,723.15 : x
2. Step 2: Convert to fraction form
   133,152.51/183,749.49 = 72,723.15/x
3. Step 3: Cross multiply
   133,152.51x = 183,749.49 × 72,723.15
4. Step 4: Simplify right side
   133,152.51x = 13,362,841,723.69
5. Step 5: Solve for x
   x = 13,362,841,723.69/133,152.51
6. Step 6: Final answer
   x = 100,357.42