Finding the Fourth Proportional to 321,799,726.10, 482,951,531.55 and 149,297,914.10

Step by Step Solution

1. Step 1: Write the proportion equation
   321,799,726.10 : 482,951,531.55 = 149,297,914.10 : x
2. Step 2: Convert to fraction form
   321,799,726.10/482,951,531.55 = 149,297,914.10/x
3. Step 3: Cross multiply
   321,799,726.10x = 482,951,531.55 × 149,297,914.10
4. Step 4: Simplify right side
   321,799,726.10x = 72,103,656,271,815,344
5. Step 5: Solve for x
   x = 72,103,656,271,815,344/321,799,726.10
6. Step 6: Final answer
   x = 224,063,758.99