Finding the Fourth Proportional to 72,747.60, 109,089.59 and 36,701.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,747.60 : 109,089.59 = 36,701.88 : x
2. Step 2: Convert to fraction form
   72,747.60/109,089.59 = 36,701.88/x
3. Step 3: Cross multiply
   72,747.60x = 109,089.59 × 36,701.88
4. Step 4: Simplify right side
   72,747.60x = 4,003,792,312.47
5. Step 5: Solve for x
   x = 4,003,792,312.47/72,747.60
6. Step 6: Final answer
   x = 55,036.76