Finding the Fourth Proportional to 112,675, 155,445.96 and 64,902.76

Step by Step Solution

1. Step 1: Write the proportion equation
   112,675 : 155,445.96 = 64,902.76 : x
2. Step 2: Convert to fraction form
   112,675/155,445.96 = 64,902.76/x
3. Step 3: Cross multiply
   112,675x = 155,445.96 × 64,902.76
4. Step 4: Simplify right side
   112,675x = 10,088,871,834.85
5. Step 5: Solve for x
   x = 10,088,871,834.85/112,675
6. Step 6: Final answer
   x = 89,539.58