Finding the Fourth Proportional to 148,029.81, 222,081.71 and 42,848.78

Step by Step Solution

1. Step 1: Write the proportion equation
   148,029.81 : 222,081.71 = 42,848.78 : x
2. Step 2: Convert to fraction form
   148,029.81/222,081.71 = 42,848.78/x
3. Step 3: Cross multiply
   148,029.81x = 222,081.71 × 42,848.78
4. Step 4: Simplify right side
   148,029.81x = 9,515,930,781.90
5. Step 5: Solve for x
   x = 9,515,930,781.90/148,029.81
6. Step 6: Final answer
   x = 64,283.88