Finding the Fourth Proportional to 45,741.84, 68,612.72 and 30,155.80

Step by Step Solution

1. Step 1: Write the proportion equation
   45,741.84 : 68,612.72 = 30,155.80 : x
2. Step 2: Convert to fraction form
   45,741.84/68,612.72 = 30,155.80/x
3. Step 3: Cross multiply
   45,741.84x = 68,612.72 × 30,155.80
4. Step 4: Simplify right side
   45,741.84x = 2,069,071,461.78
5. Step 5: Solve for x
   x = 2,069,071,461.78/45,741.84
6. Step 6: Final answer
   x = 45,233.67