Finding the Fourth Proportional to 61,870.41, 85,316.63 and 36,715.05

Step by Step Solution

1. Step 1: Write the proportion equation
   61,870.41 : 85,316.63 = 36,715.05 : x
2. Step 2: Convert to fraction form
   61,870.41/85,316.63 = 36,715.05/x
3. Step 3: Cross multiply
   61,870.41x = 85,316.63 × 36,715.05
4. Step 4: Simplify right side
   61,870.41x = 3,132,404,152.71
5. Step 5: Solve for x
   x = 3,132,404,152.71/61,870.41
6. Step 6: Final answer
   x = 50,628.47