Finding the Fourth Proportional to 174,002.37, 261,042.45 and 55,680.81

Step by Step Solution

1. Step 1: Write the proportion equation
   174,002.37 : 261,042.45 = 55,680.81 : x
2. Step 2: Convert to fraction form
   174,002.37/261,042.45 = 55,680.81/x
3. Step 3: Cross multiply
   174,002.37x = 261,042.45 × 55,680.81
4. Step 4: Simplify right side
   174,002.37x = 14,535,055,060.38
5. Step 5: Solve for x
   x = 14,535,055,060.38/174,002.37
6. Step 6: Final answer
   x = 83,533.66