Finding the Fourth Proportional to 55,155.67, 76,073.11 and 38,188.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,155.67 : 76,073.11 = 38,188.31 : x
2. Step 2: Convert to fraction form
   55,155.67/76,073.11 = 38,188.31/x
3. Step 3: Cross multiply
   55,155.67x = 76,073.11 × 38,188.31
4. Step 4: Simplify right side
   55,155.67x = 2,905,103,507.34
5. Step 5: Solve for x
   x = 2,905,103,507.34/55,155.67
6. Step 6: Final answer
   x = 52,670.99