Finding the Fourth Proportional to 105,870.11, 146,100.11 and 57,473.01

Step by Step Solution

1. Step 1: Write the proportion equation
   105,870.11 : 146,100.11 = 57,473.01 : x
2. Step 2: Convert to fraction form
   105,870.11/146,100.11 = 57,473.01/x
3. Step 3: Cross multiply
   105,870.11x = 146,100.11 × 57,473.01
4. Step 4: Simplify right side
   105,870.11x = 8,396,812,795.67
5. Step 5: Solve for x
   x = 8,396,812,795.67/105,870.11
6. Step 6: Final answer
   x = 79,312.41