Finding the Fourth Proportional to 45,773.16, 68,316.56 and 42,783.81

Step by Step Solution

1. Step 1: Write the proportion equation
   45,773.16 : 68,316.56 = 42,783.81 : x
2. Step 2: Convert to fraction form
   45,773.16/68,316.56 = 42,783.81/x
3. Step 3: Cross multiply
   45,773.16x = 68,316.56 × 42,783.81
4. Step 4: Simplify right side
   45,773.16x = 2,922,842,722.89
5. Step 5: Solve for x
   x = 2,922,842,722.89/45,773.16
6. Step 6: Final answer
   x = 63,854.95