Finding the Fourth Proportional to 238,680.59, 357,994.15 and 61,191.77

Step by Step Solution

1. Step 1: Write the proportion equation
   238,680.59 : 357,994.15 = 61,191.77 : x
2. Step 2: Convert to fraction form
   238,680.59/357,994.15 = 61,191.77/x
3. Step 3: Cross multiply
   238,680.59x = 357,994.15 × 61,191.77
4. Step 4: Simplify right side
   238,680.59x = 21,906,293,745.20
5. Step 5: Solve for x
   x = 21,906,293,745.20/238,680.59
6. Step 6: Final answer
   x = 91,780.79