Finding the Fourth Proportional to 42,051.49, 63,077.22 and 28,863.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,051.49 : 63,077.22 = 28,863.88 : x
2. Step 2: Convert to fraction form
   42,051.49/63,077.22 = 28,863.88/x
3. Step 3: Cross multiply
   42,051.49x = 63,077.22 × 28,863.88
4. Step 4: Simplify right side
   42,051.49x = 1,820,653,308.81
5. Step 5: Solve for x
   x = 1,820,653,308.81/42,051.49
6. Step 6: Final answer
   x = 43,295.81