Finding the Fourth Proportional to 70,820.11, 106,215.98 and 45,444.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,820.11 : 106,215.98 = 45,444.50 : x
2. Step 2: Convert to fraction form
   70,820.11/106,215.98 = 45,444.50/x
3. Step 3: Cross multiply
   70,820.11x = 106,215.98 × 45,444.50
4. Step 4: Simplify right side
   70,820.11x = 4,826,931,572.03
5. Step 5: Solve for x
   x = 4,826,931,572.03/70,820.11
6. Step 6: Final answer
   x = 68,157.64