Finding the Fourth Proportional to 42,737.76, 64,114.02 and 19,053.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,737.76 : 64,114.02 = 19,053.72 : x
2. Step 2: Convert to fraction form
   42,737.76/64,114.02 = 19,053.72/x
3. Step 3: Cross multiply
   42,737.76x = 64,114.02 × 19,053.72
4. Step 4: Simplify right side
   42,737.76x = 1,221,610,585.15
5. Step 5: Solve for x
   x = 1,221,610,585.15/42,737.76
6. Step 6: Final answer
   x = 28,583.87