Finding the Fourth Proportional to 45,293.52, 68,051.04 and 42,775.68

Step by Step Solution

1. Step 1: Write the proportion equation
   45,293.52 : 68,051.04 = 42,775.68 : x
2. Step 2: Convert to fraction form
   45,293.52/68,051.04 = 42,775.68/x
3. Step 3: Cross multiply
   45,293.52x = 68,051.04 × 42,775.68
4. Step 4: Simplify right side
   45,293.52x = 2,910,929,510.71
5. Step 5: Solve for x
   x = 2,910,929,510.71/45,293.52
6. Step 6: Final answer
   x = 64,268.12