Finding the Fourth Proportional to 55,064.90, 75,947.28 and 37,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,064.90 : 75,947.28 = 37,131.50 : x
2. Step 2: Convert to fraction form
   55,064.90/75,947.28 = 37,131.50/x
3. Step 3: Cross multiply
   55,064.90x = 75,947.28 × 37,131.50
4. Step 4: Simplify right side
   55,064.90x = 2,820,036,427.32
5. Step 5: Solve for x
   x = 2,820,036,427.32/55,064.90
6. Step 6: Final answer
   x = 51,212.96