Finding the Fourth Proportional to 72,444.86, 99,930.72 and 53,053.46

Step by Step Solution

1. Step 1: Write the proportion equation
   72,444.86 : 99,930.72 = 53,053.46 : x
2. Step 2: Convert to fraction form
   72,444.86/99,930.72 = 53,053.46/x
3. Step 3: Cross multiply
   72,444.86x = 99,930.72 × 53,053.46
4. Step 4: Simplify right side
   72,444.86x = 5,301,670,456.29
5. Step 5: Solve for x
   x = 5,301,670,456.29/72,444.86
6. Step 6: Final answer
   x = 73,182.15