Finding the Fourth Proportional to 148,139.26, 222,236.52 and 59,399.71

Step by Step Solution

1. Step 1: Write the proportion equation
   148,139.26 : 222,236.52 = 59,399.71 : x
2. Step 2: Convert to fraction form
   148,139.26/222,236.52 = 59,399.71/x
3. Step 3: Cross multiply
   148,139.26x = 222,236.52 × 59,399.71
4. Step 4: Simplify right side
   148,139.26x = 13,200,784,839.41
5. Step 5: Solve for x
   x = 13,200,784,839.41/148,139.26
6. Step 6: Final answer
   x = 89,110.64