Finding the Fourth Proportional to 191,185.25, 286,716.47 and 63,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   191,185.25 : 286,716.47 = 63,072.72 : x
2. Step 2: Convert to fraction form
   191,185.25/286,716.47 = 63,072.72/x
3. Step 3: Cross multiply
   191,185.25x = 286,716.47 × 63,072.72
4. Step 4: Simplify right side
   191,185.25x = 18,083,987,316.33
5. Step 5: Solve for x
   x = 18,083,987,316.33/191,185.25
6. Step 6: Final answer
   x = 94,588.82