Finding the Fourth Proportional to 174,109.20, 261,196.58 and 124,065.15

Step by Step Solution

1. Step 1: Write the proportion equation
   174,109.20 : 261,196.58 = 124,065.15 : x
2. Step 2: Convert to fraction form
   174,109.20/261,196.58 = 124,065.15/x
3. Step 3: Cross multiply
   174,109.20x = 261,196.58 × 124,065.15
4. Step 4: Simplify right side
   174,109.20x = 32,405,392,877.19
5. Step 5: Solve for x
   x = 32,405,392,877.19/174,109.20
6. Step 6: Final answer
   x = 186,121.08