Finding the Fourth Proportional to 72,742.10, 109,108.62 and 34,818.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72,742.10 : 109,108.62 = 34,818.30 : x
2. Step 2: Convert to fraction form
   72,742.10/109,108.62 = 34,818.30/x
3. Step 3: Cross multiply
   72,742.10x = 109,108.62 × 34,818.30
4. Step 4: Simplify right side
   72,742.10x = 3,798,976,663.75
5. Step 5: Solve for x
   x = 3,798,976,663.75/72,742.10
6. Step 6: Final answer
   x = 52,225.29