Finding the Fourth Proportional to 43,081.86, 64,622.82 and 13,502.00

Step by Step Solution

1. Step 1: Write the proportion equation
   43,081.86 : 64,622.82 = 13,502.00 : x
2. Step 2: Convert to fraction form
   43,081.86/64,622.82 = 13,502.00/x
3. Step 3: Cross multiply
   43,081.86x = 64,622.82 × 13,502.00
4. Step 4: Simplify right side
   43,081.86x = 872,537,345.79
5. Step 5: Solve for x
   x = 872,537,345.79/43,081.86
6. Step 6: Final answer
   x = 20,253.01