Finding the Fourth Proportional to 72,307.96, 108,462.18 and 37,257.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,307.96 : 108,462.18 = 37,257.88 : x
2. Step 2: Convert to fraction form
   72,307.96/108,462.18 = 37,257.88/x
3. Step 3: Cross multiply
   72,307.96x = 108,462.18 × 37,257.88
4. Step 4: Simplify right side
   72,307.96x = 4,041,070,886.98
5. Step 5: Solve for x
   x = 4,041,070,886.98/72,307.96
6. Step 6: Final answer
   x = 55,886.94