Finding the Fourth Proportional to 61,834.42, 85,374.72 and 54,609.04

Step by Step Solution

1. Step 1: Write the proportion equation
   61,834.42 : 85,374.72 = 54,609.04 : x
2. Step 2: Convert to fraction form
   61,834.42/85,374.72 = 54,609.04/x
3. Step 3: Cross multiply
   61,834.42x = 85,374.72 × 54,609.04
4. Step 4: Simplify right side
   61,834.42x = 4,662,231,499.47
5. Step 5: Solve for x
   x = 4,662,231,499.47/61,834.42
6. Step 6: Final answer
   x = 75,398.65