Finding the Fourth Proportional to 72,823.50, 109,277.70 and 30,700.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,823.50 : 109,277.70 = 30,700.98 : x
2. Step 2: Convert to fraction form
   72,823.50/109,277.70 = 30,700.98/x
3. Step 3: Cross multiply
   72,823.50x = 109,277.70 × 30,700.98
4. Step 4: Simplify right side
   72,823.50x = 3,354,932,482.15
5. Step 5: Solve for x
   x = 3,354,932,482.15/72,823.50
6. Step 6: Final answer
   x = 46,069.37