Finding the Fourth Proportional to 72,538.02, 108,783.99 and 23,278.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,538.02 : 108,783.99 = 23,278.50 : x
2. Step 2: Convert to fraction form
   72,538.02/108,783.99 = 23,278.50/x
3. Step 3: Cross multiply
   72,538.02x = 108,783.99 × 23,278.50
4. Step 4: Simplify right side
   72,538.02x = 2,532,328,111.22
5. Step 5: Solve for x
   x = 2,532,328,111.22/72,538.02
6. Step 6: Final answer
   x = 34,910.36