Finding the Fourth Proportional to 77,002.77, 106,016.81 and 67,062.45

Step by Step Solution

1. Step 1: Write the proportion equation
   77,002.77 : 106,016.81 = 67,062.45 : x
2. Step 2: Convert to fraction form
   77,002.77/106,016.81 = 67,062.45/x
3. Step 3: Cross multiply
   77,002.77x = 106,016.81 × 67,062.45
4. Step 4: Simplify right side
   77,002.77x = 7,109,746,684.47
5. Step 5: Solve for x
   x = 7,109,746,684.47/77,002.77
6. Step 6: Final answer
   x = 92,331.05