Finding the Fourth Proportional to 99,507.30, 149,256.02 and 37,173.06

Step by Step Solution

1. Step 1: Write the proportion equation
   99,507.30 : 149,256.02 = 37,173.06 : x
2. Step 2: Convert to fraction form
   99,507.30/149,256.02 = 37,173.06/x
3. Step 3: Cross multiply
   99,507.30x = 149,256.02 × 37,173.06
4. Step 4: Simplify right side
   99,507.30x = 5,548,302,986.82
5. Step 5: Solve for x
   x = 5,548,302,986.82/99,507.30
6. Step 6: Final answer
   x = 55,757.75