Finding the Fourth Proportional to 106,410.89, 146,741.82 and 90,322.13

Step by Step Solution

1. Step 1: Write the proportion equation
   106,410.89 : 146,741.82 = 90,322.13 : x
2. Step 2: Convert to fraction form
   106,410.89/146,741.82 = 90,322.13/x
3. Step 3: Cross multiply
   106,410.89x = 146,741.82 × 90,322.13
4. Step 4: Simplify right side
   106,410.89x = 13,254,033,742.48
5. Step 5: Solve for x
   x = 13,254,033,742.48/106,410.89
6. Step 6: Final answer
   x = 124,555.24