Finding the Fourth Proportional to 174,111.12, 261,140.76 and 55,770.12

Step by Step Solution

1. Step 1: Write the proportion equation
   174,111.12 : 261,140.76 = 55,770.12 : x
2. Step 2: Convert to fraction form
   174,111.12/261,140.76 = 55,770.12/x
3. Step 3: Cross multiply
   174,111.12x = 261,140.76 × 55,770.12
4. Step 4: Simplify right side
   174,111.12x = 14,563,851,522.09
5. Step 5: Solve for x
   x = 14,563,851,522.09/174,111.12
6. Step 6: Final answer
   x = 83,646.88