Finding the Fourth Proportional to 47,101.89, 64,962.99 and 30,985.74

Step by Step Solution

1. Step 1: Write the proportion equation
   47,101.89 : 64,962.99 = 30,985.74 : x
2. Step 2: Convert to fraction form
   47,101.89/64,962.99 = 30,985.74/x
3. Step 3: Cross multiply
   47,101.89x = 64,962.99 × 30,985.74
4. Step 4: Simplify right side
   47,101.89x = 2,012,926,317.76
5. Step 5: Solve for x
   x = 2,012,926,317.76/47,101.89
6. Step 6: Final answer
   x = 42,735.57