Finding the Fourth Proportional to 160,627.18, 240,922.52 and 42,307.78

Step by Step Solution

1. Step 1: Write the proportion equation
   160,627.18 : 240,922.52 = 42,307.78 : x
2. Step 2: Convert to fraction form
   160,627.18/240,922.52 = 42,307.78/x
3. Step 3: Cross multiply
   160,627.18x = 240,922.52 × 42,307.78
4. Step 4: Simplify right side
   160,627.18x = 10,192,896,973.21
5. Step 5: Solve for x
   x = 10,192,896,973.21/160,627.18
6. Step 6: Final answer
   x = 63,456.86