Finding the Fourth Proportional to 118,116.29, 177,210.23 and 42,204.89

Step by Step Solution

1. Step 1: Write the proportion equation
   118,116.29 : 177,210.23 = 42,204.89 : x
2. Step 2: Convert to fraction form
   118,116.29/177,210.23 = 42,204.89/x
3. Step 3: Cross multiply
   118,116.29x = 177,210.23 × 42,204.89
4. Step 4: Simplify right side
   118,116.29x = 7,479,138,496.03
5. Step 5: Solve for x
   x = 7,479,138,496.03/118,116.29
6. Step 6: Final answer
   x = 63,320.13