Finding the Fourth Proportional to 72,624.93, 108,895.47 and 28,199.77

Step by Step Solution

1. Step 1: Write the proportion equation
   72,624.93 : 108,895.47 = 28,199.77 : x
2. Step 2: Convert to fraction form
   72,624.93/108,895.47 = 28,199.77/x
3. Step 3: Cross multiply
   72,624.93x = 108,895.47 × 28,199.77
4. Step 4: Simplify right side
   72,624.93x = 3,070,826,663.56
5. Step 5: Solve for x
   x = 3,070,826,663.56/72,624.93
6. Step 6: Final answer
   x = 42,283.37