Finding the Fourth Proportional to 148,166.46, 222,271.56 and 42,971.76

Step by Step Solution

1. Step 1: Write the proportion equation
   148,166.46 : 222,271.56 = 42,971.76 : x
2. Step 2: Convert to fraction form
   148,166.46/222,271.56 = 42,971.76/x
3. Step 3: Cross multiply
   148,166.46x = 222,271.56 × 42,971.76
4. Step 4: Simplify right side
   148,166.46x = 9,551,400,131.15
5. Step 5: Solve for x
   x = 9,551,400,131.15/148,166.46
6. Step 6: Final answer
   x = 64,463.98