Finding the Fourth Proportional to 72,030.24, 107,998.56 and 29,898.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,030.24 : 107,998.56 = 29,898.72 : x
2. Step 2: Convert to fraction form
   72,030.24/107,998.56 = 29,898.72/x
3. Step 3: Cross multiply
   72,030.24x = 107,998.56 × 29,898.72
4. Step 4: Simplify right side
   72,030.24x = 3,229,018,705.84
5. Step 5: Solve for x
   x = 3,229,018,705.84/72,030.24
6. Step 6: Final answer
   x = 44,828.65