Finding the Fourth Proportional to 88,145.01, 132,237.09 and 28,978.29

Step by Step Solution

1. Step 1: Write the proportion equation
   88,145.01 : 132,237.09 = 28,978.29 : x
2. Step 2: Convert to fraction form
   88,145.01/132,237.09 = 28,978.29/x
3. Step 3: Cross multiply
   88,145.01x = 132,237.09 × 28,978.29
4. Step 4: Simplify right side
   88,145.01x = 3,832,004,742.78
5. Step 5: Solve for x
   x = 3,832,004,742.78/88,145.01
6. Step 6: Final answer
   x = 43,473.87