Finding the Fourth Proportional to 118,864.72, 177,058.50 and 112,553.74

Step by Step Solution

1. Step 1: Write the proportion equation
   118,864.72 : 177,058.50 = 112,553.74 : x
2. Step 2: Convert to fraction form
   118,864.72/177,058.50 = 112,553.74/x
3. Step 3: Cross multiply
   118,864.72x = 177,058.50 × 112,553.74
4. Step 4: Simplify right side
   118,864.72x = 19,928,595,931.14
5. Step 5: Solve for x
   x = 19,928,595,931.14/118,864.72
6. Step 6: Final answer
   x = 167,657.79