Finding the Fourth Proportional to 77,335.98, 116,005.05 and 21,931.98

Step by Step Solution

1. Step 1: Write the proportion equation
   77,335.98 : 116,005.05 = 21,931.98 : x
2. Step 2: Convert to fraction form
   77,335.98/116,005.05 = 21,931.98/x
3. Step 3: Cross multiply
   77,335.98x = 116,005.05 × 21,931.98
4. Step 4: Simplify right side
   77,335.98x = 2,544,220,436.50
5. Step 5: Solve for x
   x = 2,544,220,436.50/77,335.98
6. Step 6: Final answer
   x = 32,898.28