Finding the Fourth Proportional to 72,141.25, 99,565.86 and 43,841.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,141.25 : 99,565.86 = 43,841.47 : x
2. Step 2: Convert to fraction form
   72,141.25/99,565.86 = 43,841.47/x
3. Step 3: Cross multiply
   72,141.25x = 99,565.86 × 43,841.47
4. Step 4: Simplify right side
   72,141.25x = 4,365,113,664.21
5. Step 5: Solve for x
   x = 4,365,113,664.21/72,141.25
6. Step 6: Final answer
   x = 60,507.87