Finding the Fourth Proportional to 100,325.83, 138,445.95 and 55,002.82

Step by Step Solution

1. Step 1: Write the proportion equation
   100,325.83 : 138,445.95 = 55,002.82 : x
2. Step 2: Convert to fraction form
   100,325.83/138,445.95 = 55,002.82/x
3. Step 3: Cross multiply
   100,325.83x = 138,445.95 × 55,002.82
4. Step 4: Simplify right side
   100,325.83x = 7,614,917,667.58
5. Step 5: Solve for x
   x = 7,614,917,667.58/100,325.83
6. Step 6: Final answer
   x = 75,901.87