Finding the Fourth Proportional to 153,612.06, 230,456.98 and 42,804.06

Step by Step Solution

1. Step 1: Write the proportion equation
   153,612.06 : 230,456.98 = 42,804.06 : x
2. Step 2: Convert to fraction form
   153,612.06/230,456.98 = 42,804.06/x
3. Step 3: Cross multiply
   153,612.06x = 230,456.98 × 42,804.06
4. Step 4: Simplify right side
   153,612.06x = 9,864,494,399.34
5. Step 5: Solve for x
   x = 9,864,494,399.34/153,612.06
6. Step 6: Final answer
   x = 64,216.93