Finding the Fourth Proportional to 100,087.00, 138,114.27 and 54,765.86

Step by Step Solution

1. Step 1: Write the proportion equation
   100,087.00 : 138,114.27 = 54,765.86 : x
2. Step 2: Convert to fraction form
   100,087.00/138,114.27 = 54,765.86/x
3. Step 3: Cross multiply
   100,087.00x = 138,114.27 × 54,765.86
4. Step 4: Simplify right side
   100,087.00x = 7,563,946,774.82
5. Step 5: Solve for x
   x = 7,563,946,774.82/100,087.00
6. Step 6: Final answer
   x = 75,573.72