Finding the Fourth Proportional to 148,563.48, 222,910.56 and 59,989.98

Step by Step Solution

1. Step 1: Write the proportion equation
   148,563.48 : 222,910.56 = 59,989.98 : x
2. Step 2: Convert to fraction form
   148,563.48/222,910.56 = 59,989.98/x
3. Step 3: Cross multiply
   148,563.48x = 222,910.56 × 59,989.98
4. Step 4: Simplify right side
   148,563.48x = 13,372,400,036.19
5. Step 5: Solve for x
   x = 13,372,400,036.19/148,563.48
6. Step 6: Final answer
   x = 90,011.35