Finding the Fourth Proportional to 106,242.72, 146,664.72 and 61,522.08

Step by Step Solution

1. Step 1: Write the proportion equation
   106,242.72 : 146,664.72 = 61,522.08 : x
2. Step 2: Convert to fraction form
   106,242.72/146,664.72 = 61,522.08/x
3. Step 3: Cross multiply
   106,242.72x = 146,664.72 × 61,522.08
4. Step 4: Simplify right side
   106,242.72x = 9,023,118,637.02
5. Step 5: Solve for x
   x = 9,023,118,637.02/106,242.72
6. Step 6: Final answer
   x = 84,929.29