Finding the Fourth Proportional to 85,670.34, 118,237.50 and 49,364.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,670.34 : 118,237.50 = 49,364.72 : x
2. Step 2: Convert to fraction form
   85,670.34/118,237.50 = 49,364.72/x
3. Step 3: Cross multiply
   85,670.34x = 118,237.50 × 49,364.72
4. Step 4: Simplify right side
   85,670.34x = 5,836,761,081
5. Step 5: Solve for x
   x = 5,836,761,081/85,670.34
6. Step 6: Final answer
   x = 68,130.48