Finding the Fourth Proportional to 231,124.25, 318,983.13 and 133,005.47

Step by Step Solution

1. Step 1: Write the proportion equation
   231,124.25 : 318,983.13 = 133,005.47 : x
2. Step 2: Convert to fraction form
   231,124.25/318,983.13 = 133,005.47/x
3. Step 3: Cross multiply
   231,124.25x = 318,983.13 × 133,005.47
4. Step 4: Simplify right side
   231,124.25x = 42,426,499,532.81
5. Step 5: Solve for x
   x = 42,426,499,532.81/231,124.25
6. Step 6: Final answer
   x = 183,565.76