Finding the Fourth Proportional to 61,747.16, 85,215 and 37,870.58

Step by Step Solution

1. Step 1: Write the proportion equation
   61,747.16 : 85,215 = 37,870.58 : x
2. Step 2: Convert to fraction form
   61,747.16/85,215 = 37,870.58/x
3. Step 3: Cross multiply
   61,747.16x = 85,215 × 37,870.58
4. Step 4: Simplify right side
   61,747.16x = 3,227,141,474.70
5. Step 5: Solve for x
   x = 3,227,141,474.70/61,747.16
6. Step 6: Final answer
   x = 52,263.80