Finding the Fourth Proportional to 84,728.72, 116,925.68 and 47,003

Step by Step Solution

1. Step 1: Write the proportion equation
   84,728.72 : 116,925.68 = 47,003 : x
2. Step 2: Convert to fraction form
   84,728.72/116,925.68 = 47,003/x
3. Step 3: Cross multiply
   84,728.72x = 116,925.68 × 47,003
4. Step 4: Simplify right side
   84,728.72x = 5,495,857,737.04
5. Step 5: Solve for x
   x = 5,495,857,737.04/84,728.72
6. Step 6: Final answer
   x = 64,864.17