Finding the Fourth Proportional to 73,917.78, 101,886.71 and 57,756.84

Step by Step Solution

1. Step 1: Write the proportion equation
   73,917.78 : 101,886.71 = 57,756.84 : x
2. Step 2: Convert to fraction form
   73,917.78/101,886.71 = 57,756.84/x
3. Step 3: Cross multiply
   73,917.78x = 101,886.71 × 57,756.84
4. Step 4: Simplify right side
   73,917.78x = 5,884,654,118.81
5. Step 5: Solve for x
   x = 5,884,654,118.81/73,917.78
6. Step 6: Final answer
   x = 79,610.81