Finding the Fourth Proportional to 413,155.88, 619,837.49 and 117,667.88

Step by Step Solution

1. Step 1: Write the proportion equation
   413,155.88 : 619,837.49 = 117,667.88 : x
2. Step 2: Convert to fraction form
   413,155.88/619,837.49 = 117,667.88/x
3. Step 3: Cross multiply
   413,155.88x = 619,837.49 × 117,667.88
4. Step 4: Simplify right side
   413,155.88x = 72,934,960,587.80
5. Step 5: Solve for x
   x = 72,934,960,587.80/413,155.88
6. Step 6: Final answer
   x = 176,531.34