Finding the Fourth Proportional to 191,501.60, 287,271.43 and 73,272.38

Step by Step Solution

1. Step 1: Write the proportion equation
   191,501.60 : 287,271.43 = 73,272.38 : x
2. Step 2: Convert to fraction form
   191,501.60/287,271.43 = 73,272.38/x
3. Step 3: Cross multiply
   191,501.60x = 287,271.43 × 73,272.38
4. Step 4: Simplify right side
   191,501.60x = 21,049,059,762.57
5. Step 5: Solve for x
   x = 21,049,059,762.57/191,501.60
6. Step 6: Final answer
   x = 109,915.85