Finding the Fourth Proportional to 155,538.32, 233,337.99 and 71,300.55

Step by Step Solution

1. Step 1: Write the proportion equation
   155,538.32 : 233,337.99 = 71,300.55 : x
2. Step 2: Convert to fraction form
   155,538.32/233,337.99 = 71,300.55/x
3. Step 3: Cross multiply
   155,538.32x = 233,337.99 × 71,300.55
4. Step 4: Simplify right side
   155,538.32x = 16,637,127,022.89
5. Step 5: Solve for x
   x = 16,637,127,022.89/155,538.32
6. Step 6: Final answer
   x = 106,964.81