Finding the Fourth Proportional to 47,006.52, 64,878.78 and 43,223.70

Step by Step Solution

1. Step 1: Write the proportion equation
   47,006.52 : 64,878.78 = 43,223.70 : x
2. Step 2: Convert to fraction form
   47,006.52/64,878.78 = 43,223.70/x
3. Step 3: Cross multiply
   47,006.52x = 64,878.78 × 43,223.70
4. Step 4: Simplify right side
   47,006.52x = 2,804,300,923.09
5. Step 5: Solve for x
   x = 2,804,300,923.09/47,006.52
6. Step 6: Final answer
   x = 59,657.70