Finding the Fourth Proportional to 60,876.52, 91,357.16 and 21,436.81

Step by Step Solution

1. Step 1: Write the proportion equation
   60,876.52 : 91,357.16 = 21,436.81 : x
2. Step 2: Convert to fraction form
   60,876.52/91,357.16 = 21,436.81/x
3. Step 3: Cross multiply
   60,876.52x = 91,357.16 × 21,436.81
4. Step 4: Simplify right side
   60,876.52x = 1,958,405,677.87
5. Step 5: Solve for x
   x = 1,958,405,677.87/60,876.52
6. Step 6: Final answer
   x = 32,170.13