Finding the Fourth Proportional to 77,082.09, 106,390.43 and 46,861

Step by Step Solution

1. Step 1: Write the proportion equation
   77,082.09 : 106,390.43 = 46,861 : x
2. Step 2: Convert to fraction form
   77,082.09/106,390.43 = 46,861/x
3. Step 3: Cross multiply
   77,082.09x = 106,390.43 × 46,861
4. Step 4: Simplify right side
   77,082.09x = 4,985,561,940.23
5. Step 5: Solve for x
   x = 4,985,561,940.23/77,082.09
6. Step 6: Final answer
   x = 64,678.60