Finding the Fourth Proportional to 101,782.31, 152,517.77 and 54,404.15

Step by Step Solution

1. Step 1: Write the proportion equation
   101,782.31 : 152,517.77 = 54,404.15 : x
2. Step 2: Convert to fraction form
   101,782.31/152,517.77 = 54,404.15/x
3. Step 3: Cross multiply
   101,782.31x = 152,517.77 × 54,404.15
4. Step 4: Simplify right side
   101,782.31x = 8,297,599,112.17
5. Step 5: Solve for x
   x = 8,297,599,112.17/101,782.31
6. Step 6: Final answer
   x = 81,523.00