Finding the Fourth Proportional to 52,683.52, 78,942.05 and 42,774.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,683.52 : 78,942.05 = 42,774.38 : x
2. Step 2: Convert to fraction form
   52,683.52/78,942.05 = 42,774.38/x
3. Step 3: Cross multiply
   52,683.52x = 78,942.05 × 42,774.38
4. Step 4: Simplify right side
   52,683.52x = 3,376,697,228.16
5. Step 5: Solve for x
   x = 3,376,697,228.16/52,683.52
6. Step 6: Final answer
   x = 64,094.00