Finding the Fourth Proportional to 105,892.02, 146,133.54 and 57,496.01

Step by Step Solution

1. Step 1: Write the proportion equation
   105,892.02 : 146,133.54 = 57,496.01 : x
2. Step 2: Convert to fraction form
   105,892.02/146,133.54 = 57,496.01/x
3. Step 3: Cross multiply
   105,892.02x = 146,133.54 × 57,496.01
4. Step 4: Simplify right side
   105,892.02x = 8,402,094,746.51
5. Step 5: Solve for x
   x = 8,402,094,746.51/105,892.02
6. Step 6: Final answer
   x = 79,345.87