Finding the Fourth Proportional to 94,890.91, 142,331.49 and 28,331.59

Step by Step Solution

1. Step 1: Write the proportion equation
   94,890.91 : 142,331.49 = 28,331.59 : x
2. Step 2: Convert to fraction form
   94,890.91/142,331.49 = 28,331.59/x
3. Step 3: Cross multiply
   94,890.91x = 142,331.49 × 28,331.59
4. Step 4: Simplify right side
   94,890.91x = 4,032,477,418.77
5. Step 5: Solve for x
   x = 4,032,477,418.77/94,890.91
6. Step 6: Final answer
   x = 42,495.93