Finding the Fourth Proportional to 72,210.07, 108,368.34 and 34,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,210.07 : 108,368.34 = 34,259.50 : x
2. Step 2: Convert to fraction form
   72,210.07/108,368.34 = 34,259.50/x
3. Step 3: Cross multiply
   72,210.07x = 108,368.34 × 34,259.50
4. Step 4: Simplify right side
   72,210.07x = 3,712,644,431.09
5. Step 5: Solve for x
   x = 3,712,644,431.09/72,210.07
6. Step 6: Final answer
   x = 51,414.50