Finding the Fourth Proportional to 61,758.72, 85,224.96 and 37,886.40

Step by Step Solution

1. Step 1: Write the proportion equation
   61,758.72 : 85,224.96 = 37,886.40 : x
2. Step 2: Convert to fraction form
   61,758.72/85,224.96 = 37,886.40/x
3. Step 3: Cross multiply
   61,758.72x = 85,224.96 × 37,886.40
4. Step 4: Simplify right side
   61,758.72x = 3,228,866,924.54
5. Step 5: Solve for x
   x = 3,228,866,924.54/61,758.72
6. Step 6: Final answer
   x = 52,281.96