Finding the Fourth Proportional to 174,002.40, 261,042.42 and 55,680.84

Step by Step Solution

1. Step 1: Write the proportion equation
   174,002.40 : 261,042.42 = 55,680.84 : x
2. Step 2: Convert to fraction form
   174,002.40/261,042.42 = 55,680.84/x
3. Step 3: Cross multiply
   174,002.40x = 261,042.42 × 55,680.84
4. Step 4: Simplify right side
   174,002.40x = 14,535,061,221.23
5. Step 5: Solve for x
   x = 14,535,061,221.23/174,002.40
6. Step 6: Final answer
   x = 83,533.68