Finding the Fourth Proportional to 71,743, 98,978.60 and 44,875.30

Step by Step Solution

1. Step 1: Write the proportion equation
   71,743 : 98,978.60 = 44,875.30 : x
2. Step 2: Convert to fraction form
   71,743/98,978.60 = 44,875.30/x
3. Step 3: Cross multiply
   71,743x = 98,978.60 × 44,875.30
4. Step 4: Simplify right side
   71,743x = 4,441,694,368.58
5. Step 5: Solve for x
   x = 4,441,694,368.58/71,743
6. Step 6: Final answer
   x = 61,911.19