Finding the Fourth Proportional to 109,875.12, 164,501.37 and 72,322.26

Step by Step Solution

1. Step 1: Write the proportion equation
   109,875.12 : 164,501.37 = 72,322.26 : x
2. Step 2: Convert to fraction form
   109,875.12/164,501.37 = 72,322.26/x
3. Step 3: Cross multiply
   109,875.12x = 164,501.37 × 72,322.26
4. Step 4: Simplify right side
   109,875.12x = 11,897,110,851.50
5. Step 5: Solve for x
   x = 11,897,110,851.50/109,875.12
6. Step 6: Final answer
   x = 108,278.48