Finding the Fourth Proportional to 136,931.52, 205,061.79 and 113,093.22

Step by Step Solution

1. Step 1: Write the proportion equation
   136,931.52 : 205,061.79 = 113,093.22 : x
2. Step 2: Convert to fraction form
   136,931.52/205,061.79 = 113,093.22/x
3. Step 3: Cross multiply
   136,931.52x = 205,061.79 × 113,093.22
4. Step 4: Simplify right side
   136,931.52x = 23,191,098,130.06
5. Step 5: Solve for x
   x = 23,191,098,130.06/136,931.52
6. Step 6: Final answer
   x = 169,362.75