Finding the Fourth Proportional to 233,624.34, 322,404.98 and 138,139.92

Step by Step Solution

1. Step 1: Write the proportion equation
   233,624.34 : 322,404.98 = 138,139.92 : x
2. Step 2: Convert to fraction form
   233,624.34/322,404.98 = 138,139.92/x
3. Step 3: Cross multiply
   233,624.34x = 322,404.98 × 138,139.92
4. Step 4: Simplify right side
   233,624.34x = 44,536,997,454.10
5. Step 5: Solve for x
   x = 44,536,997,454.10/233,624.34
6. Step 6: Final answer
   x = 190,635.09