Finding the Fourth Proportional to 76,480.02, 105,543.81 and 42,947.22

Step by Step Solution

1. Step 1: Write the proportion equation
   76,480.02 : 105,543.81 = 42,947.22 : x
2. Step 2: Convert to fraction form
   76,480.02/105,543.81 = 42,947.22/x
3. Step 3: Cross multiply
   76,480.02x = 105,543.81 × 42,947.22
4. Step 4: Simplify right side
   76,480.02x = 4,532,813,227.71
5. Step 5: Solve for x
   x = 4,532,813,227.71/76,480.02
6. Step 6: Final answer
   x = 59,267.94