Finding the Fourth Proportional to 243,887.15, 365,498.33 and 117,518.18

Step by Step Solution

1. Step 1: Write the proportion equation
   243,887.15 : 365,498.33 = 117,518.18 : x
2. Step 2: Convert to fraction form
   243,887.15/365,498.33 = 117,518.18/x
3. Step 3: Cross multiply
   243,887.15x = 365,498.33 × 117,518.18
4. Step 4: Simplify right side
   243,887.15x = 42,952,696,119.56
5. Step 5: Solve for x
   x = 42,952,696,119.56/243,887.15
6. Step 6: Final answer
   x = 176,117.09