Finding the Fourth Proportional to 146,429.68, 219,561.30 and 57,635.06

Step by Step Solution

1. Step 1: Write the proportion equation
   146,429.68 : 219,561.30 = 57,635.06 : x
2. Step 2: Convert to fraction form
   146,429.68/219,561.30 = 57,635.06/x
3. Step 3: Cross multiply
   146,429.68x = 219,561.30 × 57,635.06
4. Step 4: Simplify right side
   146,429.68x = 12,654,428,699.18
5. Step 5: Solve for x
   x = 12,654,428,699.18/146,429.68
6. Step 6: Final answer
   x = 86,419.83