Finding the Fourth Proportional to 148,158.72, 222,274.53 and 42,976.17

Step by Step Solution

1. Step 1: Write the proportion equation
   148,158.72 : 222,274.53 = 42,976.17 : x
2. Step 2: Convert to fraction form
   148,158.72/222,274.53 = 42,976.17/x
3. Step 3: Cross multiply
   148,158.72x = 222,274.53 × 42,976.17
4. Step 4: Simplify right side
   148,158.72x = 9,552,507,987.95
5. Step 5: Solve for x
   x = 9,552,507,987.95/148,158.72
6. Step 6: Final answer
   x = 64,474.83