Finding the Fourth Proportional to 72,562.77, 108,841.32 and 19,970.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,562.77 : 108,841.32 = 19,970.82 : x
2. Step 2: Convert to fraction form
   72,562.77/108,841.32 = 19,970.82/x
3. Step 3: Cross multiply
   72,562.77x = 108,841.32 × 19,970.82
4. Step 4: Simplify right side
   72,562.77x = 2,173,650,410.28
5. Step 5: Solve for x
   x = 2,173,650,410.28/72,562.77
6. Step 6: Final answer
   x = 29,955.45