Finding the Fourth Proportional to 467,836,061.02, 645,588,186.76 and 256,101,931.42

Step by Step Solution

1. Step 1: Write the proportion equation
   467,836,061.02 : 645,588,186.76 = 256,101,931.42 : x
2. Step 2: Convert to fraction form
   467,836,061.02/645,588,186.76 = 256,101,931.42/x
3. Step 3: Cross multiply
   467,836,061.02x = 645,588,186.76 × 256,101,931.42
4. Step 4: Simplify right side
   467,836,061.02x = 165,336,381,531,171,648
5. Step 5: Solve for x
   x = 165,336,381,531,171,648/467,836,061.02
6. Step 6: Final answer
   x = 353,406,663.80