Finding the Fourth Proportional to 77,598.72, 116,400.60 and 21,443.04

Step by Step Solution

1. Step 1: Write the proportion equation
   77,598.72 : 116,400.60 = 21,443.04 : x
2. Step 2: Convert to fraction form
   77,598.72/116,400.60 = 21,443.04/x
3. Step 3: Cross multiply
   77,598.72x = 116,400.60 × 21,443.04
4. Step 4: Simplify right side
   77,598.72x = 2,495,982,721.82
5. Step 5: Solve for x
   x = 2,495,982,721.82/77,598.72
6. Step 6: Final answer
   x = 32,165.26