Finding the Fourth Proportional to 139,952.72, 210,010.38 and 58,893.77

Step by Step Solution

1. Step 1: Write the proportion equation
   139,952.72 : 210,010.38 = 58,893.77 : x
2. Step 2: Convert to fraction form
   139,952.72/210,010.38 = 58,893.77/x
3. Step 3: Cross multiply
   139,952.72x = 210,010.38 × 58,893.77
4. Step 4: Simplify right side
   139,952.72x = 12,368,303,017.33
5. Step 5: Solve for x
   x = 12,368,303,017.33/139,952.72
6. Step 6: Final answer
   x = 88,374.87