Finding the Fourth Proportional to 48,737.76, 72,733.56 and 43,488.48

Step by Step Solution

1. Step 1: Write the proportion equation
   48,737.76 : 72,733.56 = 43,488.48 : x
2. Step 2: Convert to fraction form
   48,737.76/72,733.56 = 43,488.48/x
3. Step 3: Cross multiply
   48,737.76x = 72,733.56 × 43,488.48
4. Step 4: Simplify right side
   48,737.76x = 3,163,071,969.39
5. Step 5: Solve for x
   x = 3,163,071,969.39/48,737.76
6. Step 6: Final answer
   x = 64,899.82