Finding the Fourth Proportional to 80,502.74, 120,796.63 and 58,498.01

Step by Step Solution

1. Step 1: Write the proportion equation
   80,502.74 : 120,796.63 = 58,498.01 : x
2. Step 2: Convert to fraction form
   80,502.74/120,796.63 = 58,498.01/x
3. Step 3: Cross multiply
   80,502.74x = 120,796.63 × 58,498.01
4. Step 4: Simplify right side
   80,502.74x = 7,066,361,719.48
5. Step 5: Solve for x
   x = 7,066,361,719.48/80,502.74
6. Step 6: Final answer
   x = 87,777.91