Finding the Fourth Proportional to 231,881.10, 347,619.15 and 89,823.30

Step by Step Solution

1. Step 1: Write the proportion equation
   231,881.10 : 347,619.15 = 89,823.30 : x
2. Step 2: Convert to fraction form
   231,881.10/347,619.15 = 89,823.30/x
3. Step 3: Cross multiply
   231,881.10x = 347,619.15 × 89,823.30
4. Step 4: Simplify right side
   231,881.10x = 31,224,299,196.20
5. Step 5: Solve for x
   x = 31,224,299,196.20/231,881.10
6. Step 6: Final answer
   x = 134,656.51