Finding the Fourth Proportional to 64,782, 89,429.13 and 45,677.34

Step by Step Solution

1. Step 1: Write the proportion equation
   64,782 : 89,429.13 = 45,677.34 : x
2. Step 2: Convert to fraction form
   64,782/89,429.13 = 45,677.34/x
3. Step 3: Cross multiply
   64,782x = 89,429.13 × 45,677.34
4. Step 4: Simplify right side
   64,782x = 4,084,884,776.91
5. Step 5: Solve for x
   x = 4,084,884,776.91/64,782
6. Step 6: Final answer
   x = 63,055.86