Finding the Fourth Proportional to 148,488.73, 222,767.73 and 48,642.87

Step by Step Solution

1. Step 1: Write the proportion equation
   148,488.73 : 222,767.73 = 48,642.87 : x
2. Step 2: Convert to fraction form
   148,488.73/222,767.73 = 48,642.87/x
3. Step 3: Cross multiply
   148,488.73x = 222,767.73 × 48,642.87
4. Step 4: Simplify right side
   148,488.73x = 10,836,061,730.59
5. Step 5: Solve for x
   x = 10,836,061,730.59/148,488.73
6. Step 6: Final answer
   x = 72,975.65