Finding the Fourth Proportional to 185,131.41, 277,797.58 and 78,575.30

Step by Step Solution

1. Step 1: Write the proportion equation
   185,131.41 : 277,797.58 = 78,575.30 : x
2. Step 2: Convert to fraction form
   185,131.41/277,797.58 = 78,575.30/x
3. Step 3: Cross multiply
   185,131.41x = 277,797.58 × 78,575.30
4. Step 4: Simplify right side
   185,131.41x = 21,828,028,187.77
5. Step 5: Solve for x
   x = 21,828,028,187.77/185,131.41
6. Step 6: Final answer
   x = 117,905.59