Finding the Fourth Proportional to 93,612.30, 131,290.50 and 93,612.30

Step by Step Solution

1. Step 1: Write the proportion equation
   93,612.30 : 131,290.50 = 93,612.30 : x
2. Step 2: Convert to fraction form
   93,612.30/131,290.50 = 93,612.30/x
3. Step 3: Cross multiply
   93,612.30x = 131,290.50 × 93,612.30
4. Step 4: Simplify right side
   93,612.30x = 12,290,405,673.15
5. Step 5: Solve for x
   x = 12,290,405,673.15/93,612.30
6. Step 6: Final answer
   x = 131,290.50