Finding the Fourth Proportional to 90,507.34, 124,899.72 and 50,221.01

Step by Step Solution

1. Step 1: Write the proportion equation
   90,507.34 : 124,899.72 = 50,221.01 : x
2. Step 2: Convert to fraction form
   90,507.34/124,899.72 = 50,221.01/x
3. Step 3: Cross multiply
   90,507.34x = 124,899.72 × 50,221.01
4. Step 4: Simplify right side
   90,507.34x = 6,272,589,211.51
5. Step 5: Solve for x
   x = 6,272,589,211.51/90,507.34
6. Step 6: Final answer
   x = 69,304.76