Finding the Fourth Proportional to 191,501.69, 287,272.20 and 73,272.47

Step by Step Solution

1. Step 1: Write the proportion equation
   191,501.69 : 287,272.20 = 73,272.47 : x
2. Step 2: Convert to fraction form
   191,501.69/287,272.20 = 73,272.47/x
3. Step 3: Cross multiply
   191,501.69x = 287,272.20 × 73,272.47
4. Step 4: Simplify right side
   191,501.69x = 21,049,143,656.33
5. Step 5: Solve for x
   x = 21,049,143,656.33/191,501.69
6. Step 6: Final answer
   x = 109,916.23