Finding the Fourth Proportional to 60,308.68, 91,010.29 and 58,298.71

Step by Step Solution

1. Step 1: Write the proportion equation
   60,308.68 : 91,010.29 = 58,298.71 : x
2. Step 2: Convert to fraction form
   60,308.68/91,010.29 = 58,298.71/x
3. Step 3: Cross multiply
   60,308.68x = 91,010.29 × 58,298.71
4. Step 4: Simplify right side
   60,308.68x = 5,305,782,503.73
5. Step 5: Solve for x
   x = 5,305,782,503.73/60,308.68
6. Step 6: Final answer
   x = 87,977.10