Finding the Fourth Proportional to 76,352, 105,377.28 and 46,561.28

Step by Step Solution

1. Step 1: Write the proportion equation
   76,352 : 105,377.28 = 46,561.28 : x
2. Step 2: Convert to fraction form
   76,352/105,377.28 = 46,561.28/x
3. Step 3: Cross multiply
   76,352x = 105,377.28 × 46,561.28
4. Step 4: Simplify right side
   76,352x = 4,906,501,039.72
5. Step 5: Solve for x
   x = 4,906,501,039.72/76,352
6. Step 6: Final answer
   x = 64,261.59