Finding the Fourth Proportional to 72,704.02, 109,005 and 28,293.34

Step by Step Solution

1. Step 1: Write the proportion equation
   72,704.02 : 109,005 = 28,293.34 : x
2. Step 2: Convert to fraction form
   72,704.02/109,005 = 28,293.34/x
3. Step 3: Cross multiply
   72,704.02x = 109,005 × 28,293.34
4. Step 4: Simplify right side
   72,704.02x = 3,084,115,526.70
5. Step 5: Solve for x
   x = 3,084,115,526.70/72,704.02
6. Step 6: Final answer
   x = 42,420.15