Finding the Fourth Proportional to 202,904,256.42, 279,835,164.72 and 141,172,069.86

Step by Step Solution

1. Step 1: Write the proportion equation
   202,904,256.42 : 279,835,164.72 = 141,172,069.86 : x
2. Step 2: Convert to fraction form
   202,904,256.42/279,835,164.72 = 141,172,069.86/x
3. Step 3: Cross multiply
   202,904,256.42x = 279,835,164.72 × 141,172,069.86
4. Step 4: Simplify right side
   202,904,256.42x = 39,504,909,423,136,456
5. Step 5: Solve for x
   x = 39,504,909,423,136,456/202,904,256.42
6. Step 6: Final answer
   x = 194,697,292.80