Finding the Fourth Proportional to 90,939.01, 125,547.89 and 60,775.42

Step by Step Solution

1. Step 1: Write the proportion equation
   90,939.01 : 125,547.89 = 60,775.42 : x
2. Step 2: Convert to fraction form
   90,939.01/125,547.89 = 60,775.42/x
3. Step 3: Cross multiply
   90,939.01x = 125,547.89 × 60,775.42
4. Step 4: Simplify right side
   90,939.01x = 7,630,225,744.86
5. Step 5: Solve for x
   x = 7,630,225,744.86/90,939.01
6. Step 6: Final answer
   x = 83,904.87