Finding the Fourth Proportional to 254,229,665.65, 350,817,565.59 and 142,698,956.04

Step by Step Solution

1. Step 1: Write the proportion equation
   254,229,665.65 : 350,817,565.59 = 142,698,956.04 : x
2. Step 2: Convert to fraction form
   254,229,665.65/350,817,565.59 = 142,698,956.04/x
3. Step 3: Cross multiply
   254,229,665.65x = 350,817,565.59 × 142,698,956.04
4. Step 4: Simplify right side
   254,229,665.65x = 50,061,300,370,187,216
5. Step 5: Solve for x
   x = 50,061,300,370,187,216/254,229,665.65
6. Step 6: Final answer
   x = 196,913,685.28