Finding the Fourth Proportional to 148,126, 204,413.88 and 81,058

Step by Step Solution

1. Step 1: Write the proportion equation
   148,126 : 204,413.88 = 81,058 : x
2. Step 2: Convert to fraction form
   148,126/204,413.88 = 81,058/x
3. Step 3: Cross multiply
   148,126x = 204,413.88 × 81,058
4. Step 4: Simplify right side
   148,126x = 16,569,380,285.04
5. Step 5: Solve for x
   x = 16,569,380,285.04/148,126
6. Step 6: Final answer
   x = 111,860.04