Finding the Fourth Proportional to 55,435.02, 83,066.97 and 37,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,435.02 : 83,066.97 = 37,642.50 : x
2. Step 2: Convert to fraction form
   55,435.02/83,066.97 = 37,642.50/x
3. Step 3: Cross multiply
   55,435.02x = 83,066.97 × 37,642.50
4. Step 4: Simplify right side
   55,435.02x = 3,126,848,418.23
5. Step 5: Solve for x
   x = 3,126,848,418.23/55,435.02
6. Step 6: Final answer
   x = 56,405.65