Finding the Fourth Proportional to 231,214.72, 346,611.91 and 88,969.25

Step by Step Solution

1. Step 1: Write the proportion equation
   231,214.72 : 346,611.91 = 88,969.25 : x
2. Step 2: Convert to fraction form
   231,214.72/346,611.91 = 88,969.25/x
3. Step 3: Cross multiply
   231,214.72x = 346,611.91 × 88,969.25
4. Step 4: Simplify right side
   231,214.72x = 30,837,802,484.69
5. Step 5: Solve for x
   x = 30,837,802,484.69/231,214.72
6. Step 6: Final answer
   x = 133,373.01