Finding the Fourth Proportional to 77,628.02, 116,441.78 and 21,467.99

Step by Step Solution

1. Step 1: Write the proportion equation
   77,628.02 : 116,441.78 = 21,467.99 : x
2. Step 2: Convert to fraction form
   77,628.02/116,441.78 = 21,467.99/x
3. Step 3: Cross multiply
   77,628.02x = 116,441.78 × 21,467.99
4. Step 4: Simplify right side
   77,628.02x = 2,499,770,279.07
5. Step 5: Solve for x
   x = 2,499,770,279.07/77,628.02
6. Step 6: Final answer
   x = 32,201.91