Finding the Fourth Proportional to 147,317.86, 220,828.83 and 47,404.63

Step by Step Solution

1. Step 1: Write the proportion equation
   147,317.86 : 220,828.83 = 47,404.63 : x
2. Step 2: Convert to fraction form
   147,317.86/220,828.83 = 47,404.63/x
3. Step 3: Cross multiply
   147,317.86x = 220,828.83 × 47,404.63
4. Step 4: Simplify right side
   147,317.86x = 10,468,308,979.48
5. Step 5: Solve for x
   x = 10,468,308,979.48/147,317.86
6. Step 6: Final answer
   x = 71,059.33