Finding the Fourth Proportional to 77,160, 106,483.83 and 45,328.62

Step by Step Solution

1. Step 1: Write the proportion equation
   77,160 : 106,483.83 = 45,328.62 : x
2. Step 2: Convert to fraction form
   77,160/106,483.83 = 45,328.62/x
3. Step 3: Cross multiply
   77,160x = 106,483.83 × 45,328.62
4. Step 4: Simplify right side
   77,160x = 4,826,765,066.21
5. Step 5: Solve for x
   x = 4,826,765,066.21/77,160
6. Step 6: Final answer
   x = 62,555.28