Finding the Fourth Proportional to 285,196.95, 427,773.15 and 74,829.42

Step by Step Solution

1. Step 1: Write the proportion equation
   285,196.95 : 427,773.15 = 74,829.42 : x
2. Step 2: Convert to fraction form
   285,196.95/427,773.15 = 74,829.42/x
3. Step 3: Cross multiply
   285,196.95x = 427,773.15 × 74,829.42
4. Step 4: Simplify right side
   285,196.95x = 32,010,016,706.07
5. Step 5: Solve for x
   x = 32,010,016,706.07/285,196.95
6. Step 6: Final answer
   x = 112,238.29