Finding the Fourth Proportional to 88,068.50, 132,075.02 and 28,890.42

Step by Step Solution

1. Step 1: Write the proportion equation
   88,068.50 : 132,075.02 = 28,890.42 : x
2. Step 2: Convert to fraction form
   88,068.50/132,075.02 = 28,890.42/x
3. Step 3: Cross multiply
   88,068.50x = 132,075.02 × 28,890.42
4. Step 4: Simplify right side
   88,068.50x = 3,815,702,799.31
5. Step 5: Solve for x
   x = 3,815,702,799.31/88,068.50
6. Step 6: Final answer
   x = 43,326.53