Finding the Fourth Proportional to 153,630.50, 230,445.89 and 42,822.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,630.50 : 230,445.89 = 42,822.50 : x
2. Step 2: Convert to fraction form
   153,630.50/230,445.89 = 42,822.50/x
3. Step 3: Cross multiply
   153,630.50x = 230,445.89 × 42,822.50
4. Step 4: Simplify right side
   153,630.50x = 9,868,269,124.53
5. Step 5: Solve for x
   x = 9,868,269,124.53/153,630.50
6. Step 6: Final answer
   x = 64,233.79