Finding the Fourth Proportional to 149,419.72, 224,156.40 and 49,561.30

Step by Step Solution

1. Step 1: Write the proportion equation
   149,419.72 : 224,156.40 = 49,561.30 : x
2. Step 2: Convert to fraction form
   149,419.72/224,156.40 = 49,561.30/x
3. Step 3: Cross multiply
   149,419.72x = 224,156.40 × 49,561.30
4. Step 4: Simplify right side
   149,419.72x = 11,109,482,587.32
5. Step 5: Solve for x
   x = 11,109,482,587.32/149,419.72
6. Step 6: Final answer
   x = 74,350.85