Finding the Fourth Proportional to 321,799,814.10, 482,951,663.55 and 149,298,002.10

Step by Step Solution

1. Step 1: Write the proportion equation
   321,799,814.10 : 482,951,663.55 = 149,298,002.10 : x
2. Step 2: Convert to fraction form
   321,799,814.10/482,951,663.55 = 149,298,002.10/x
3. Step 3: Cross multiply
   321,799,814.10x = 482,951,663.55 × 149,298,002.10
4. Step 4: Simplify right side
   321,799,814.10x = 72,103,718,478,886,400
5. Step 5: Solve for x
   x = 72,103,718,478,886,400/321,799,814.10
6. Step 6: Final answer
   x = 224,063,891.03