Finding the Fourth Proportional to 139,892.72, 209,795.33 and 60,927.44

Step by Step Solution

1. Step 1: Write the proportion equation
   139,892.72 : 209,795.33 = 60,927.44 : x
2. Step 2: Convert to fraction form
   139,892.72/209,795.33 = 60,927.44/x
3. Step 3: Cross multiply
   139,892.72x = 209,795.33 × 60,927.44
4. Step 4: Simplify right side
   139,892.72x = 12,782,291,484.20
5. Step 5: Solve for x
   x = 12,782,291,484.20/139,892.72
6. Step 6: Final answer
   x = 91,372.10