Finding the Fourth Proportional to 61,016.32, 84,188 and 37,142.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,016.32 : 84,188 = 37,142.72 : x
2. Step 2: Convert to fraction form
   61,016.32/84,188 = 37,142.72/x
3. Step 3: Cross multiply
   61,016.32x = 84,188 × 37,142.72
4. Step 4: Simplify right side
   61,016.32x = 3,126,971,311.36
5. Step 5: Solve for x
   x = 3,126,971,311.36/61,016.32
6. Step 6: Final answer
   x = 51,248.11