Finding the Fourth Proportional to 148,499.10, 222,730.54 and 43,318.16

Step by Step Solution

1. Step 1: Write the proportion equation
   148,499.10 : 222,730.54 = 43,318.16 : x
2. Step 2: Convert to fraction form
   148,499.10/222,730.54 = 43,318.16/x
3. Step 3: Cross multiply
   148,499.10x = 222,730.54 × 43,318.16
4. Step 4: Simplify right side
   148,499.10x = 9,648,277,168.61
5. Step 5: Solve for x
   x = 9,648,277,168.61/148,499.10
6. Step 6: Final answer
   x = 64,971.96