Finding the Fourth Proportional to 238,485.34, 357,706.14 and 80,695.72

Step by Step Solution

1. Step 1: Write the proportion equation
   238,485.34 : 357,706.14 = 80,695.72 : x
2. Step 2: Convert to fraction form
   238,485.34/357,706.14 = 80,695.72/x
3. Step 3: Cross multiply
   238,485.34x = 357,706.14 × 80,695.72
4. Step 4: Simplify right side
   238,485.34x = 28,865,354,515.72
5. Step 5: Solve for x
   x = 28,865,354,515.72/238,485.34
6. Step 6: Final answer
   x = 121,036.18