Finding the Fourth Proportional to 72,115.94, 99,498.15 and 41,895.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,115.94 : 99,498.15 = 41,895.38 : x
2. Step 2: Convert to fraction form
   72,115.94/99,498.15 = 41,895.38/x
3. Step 3: Cross multiply
   72,115.94x = 99,498.15 × 41,895.38
4. Step 4: Simplify right side
   72,115.94x = 4,168,512,803.55
5. Step 5: Solve for x
   x = 4,168,512,803.55/72,115.94
6. Step 6: Final answer
   x = 57,802.93