Finding the Fourth Proportional to 45,611.68, 68,404.56 and 28,946.56

Step by Step Solution

1. Step 1: Write the proportion equation
   45,611.68 : 68,404.56 = 28,946.56 : x
2. Step 2: Convert to fraction form
   45,611.68/68,404.56 = 28,946.56/x
3. Step 3: Cross multiply
   45,611.68x = 68,404.56 × 28,946.56
4. Step 4: Simplify right side
   45,611.68x = 1,980,076,700.31
5. Step 5: Solve for x
   x = 1,980,076,700.31/45,611.68
6. Step 6: Final answer
   x = 43,411.62