Finding the Fourth Proportional to 153,156.92, 229,709.46 and 42,323

Step by Step Solution

1. Step 1: Write the proportion equation
   153,156.92 : 229,709.46 = 42,323 : x
2. Step 2: Convert to fraction form
   153,156.92/229,709.46 = 42,323/x
3. Step 3: Cross multiply
   153,156.92x = 229,709.46 × 42,323
4. Step 4: Simplify right side
   153,156.92x = 9,721,993,475.58
5. Step 5: Solve for x
   x = 9,721,993,475.58/153,156.92
6. Step 6: Final answer
   x = 63,477.34