Finding the Fourth Proportional to 66,499.45, 91,769.24 and 42,626.17

Step by Step Solution

1. Step 1: Write the proportion equation
   66,499.45 : 91,769.24 = 42,626.17 : x
2. Step 2: Convert to fraction form
   66,499.45/91,769.24 = 42,626.17/x
3. Step 3: Cross multiply
   66,499.45x = 91,769.24 × 42,626.17
4. Step 4: Simplify right side
   66,499.45x = 3,911,771,446.29
5. Step 5: Solve for x
   x = 3,911,771,446.29/66,499.45
6. Step 6: Final answer
   x = 58,824.12