Finding the Fourth Proportional to 74,648.63, 112,008.72 and 46,561.46

Step by Step Solution

1. Step 1: Write the proportion equation
   74,648.63 : 112,008.72 = 46,561.46 : x
2. Step 2: Convert to fraction form
   74,648.63/112,008.72 = 46,561.46/x
3. Step 3: Cross multiply
   74,648.63x = 112,008.72 × 46,561.46
4. Step 4: Simplify right side
   74,648.63x = 5,215,289,535.93
5. Step 5: Solve for x
   x = 5,215,289,535.93/74,648.63
6. Step 6: Final answer
   x = 69,864.50