Finding the Fourth Proportional to 72,210.42, 108,368.84 and 34,259.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72,210.42 : 108,368.84 = 34,259.83 : x
2. Step 2: Convert to fraction form
   72,210.42/108,368.84 = 34,259.83/x
3. Step 3: Cross multiply
   72,210.42x = 108,368.84 × 34,259.83
4. Step 4: Simplify right side
   72,210.42x = 3,712,698,035.70
5. Step 5: Solve for x
   x = 3,712,698,035.70/72,210.42
6. Step 6: Final answer
   x = 51,414.99