Finding the Fourth Proportional to 72,359.86, 108,538.35 and 19,773.94

Step by Step Solution

1. Step 1: Write the proportion equation
   72,359.86 : 108,538.35 = 19,773.94 : x
2. Step 2: Convert to fraction form
   72,359.86/108,538.35 = 19,773.94/x
3. Step 3: Cross multiply
   72,359.86x = 108,538.35 × 19,773.94
4. Step 4: Simplify right side
   72,359.86x = 2,146,230,820.60
5. Step 5: Solve for x
   x = 2,146,230,820.60/72,359.86
6. Step 6: Final answer
   x = 29,660.52