Finding the Fourth Proportional to 78,887.34, 108,864.27 and 47,057.58

Step by Step Solution

1. Step 1: Write the proportion equation
   78,887.34 : 108,864.27 = 47,057.58 : x
2. Step 2: Convert to fraction form
   78,887.34/108,864.27 = 47,057.58/x
3. Step 3: Cross multiply
   78,887.34x = 108,864.27 × 47,057.58
4. Step 4: Simplify right side
   78,887.34x = 5,122,889,094.67
5. Step 5: Solve for x
   x = 5,122,889,094.67/78,887.34
6. Step 6: Final answer
   x = 64,939.31