Finding the Fourth Proportional to 93,144.51, 139,716.81 and 30,815.01

Step by Step Solution

1. Step 1: Write the proportion equation
   93,144.51 : 139,716.81 = 30,815.01 : x
2. Step 2: Convert to fraction form
   93,144.51/139,716.81 = 30,815.01/x
3. Step 3: Cross multiply
   93,144.51x = 139,716.81 × 30,815.01
4. Step 4: Simplify right side
   93,144.51x = 4,305,374,897.32
5. Step 5: Solve for x
   x = 4,305,374,897.32/93,144.51
6. Step 6: Final answer
   x = 46,222.53