Finding the Fourth Proportional to 120,801.16, 181,164.82 and 57,587.95

Step by Step Solution

1. Step 1: Write the proportion equation
   120,801.16 : 181,164.82 = 57,587.95 : x
2. Step 2: Convert to fraction form
   120,801.16/181,164.82 = 57,587.95/x
3. Step 3: Cross multiply
   120,801.16x = 181,164.82 × 57,587.95
4. Step 4: Simplify right side
   120,801.16x = 10,432,910,595.92
5. Step 5: Solve for x
   x = 10,432,910,595.92/120,801.16
6. Step 6: Final answer
   x = 86,364.32